Names of Martian Months and Number of Days

0-Month Calendar
Forget
Forward
Greg
Krutein
Lovelock-Allaby
Robinson LS
10-Month Calendar Naming Convention 1st Month 2nd Month 3rd Month 4th Month 5th Month 6th Month 7th Month 8th Month 9th Month 10th Month
Piper Martian fictional Trav
67 		Sanv
67 		Krav
67 		undefined
67 		Doma
67 		undefined
67 		undefined
67 		Yenth
67 		undefined
67 		Nor
66-67
11-Month Calendar Naming Convention 1st Month 2nd Month 3rd Month 4th Month 5th Month 6th Month 7th Month 8th Month 9th Month 10th Month 11th Month
Space Studies 200
University of North Dakota		 Space historical Landar
60-61 		Marinars
60-61 		Phobar
61-62 		Titars
61 		Zondars
61 		Survars
61 		Patars
61 		Vikinars
61 		Shiaparellars
61 		Galilars
61 		Sojournar
61
12-Month Asymmetric Gregorian Calendar Naming Convention 1st Month 2nd Month 3rd Month 4th Month 5th Month 6th Month 7th Month 8th Month 9th Month 10th Month 11th Month 12th Month
Bauregger Anglicized Roman January
51 		February
50-51 		March
60 		April
62 		May
66 		June
62 		July
63 		August
58 		September
50 		October
50 		November
47 		December
49
Briggs-Houben Anglicized Roman truncated + "Ar" Arjan
49 		Arfeb
49 		Armar
56 		Arear
63 		Armay
63 		Arjun
70 		Arjul
63 		Araug
56-63 		Arsep
56 		Aroct
49 		Arnov
49 		Ardec
42
Clarke Anglicized Roman January February March April May June July August September October November December
Gangale Asymmetric Stretched Gregorian Anglicized Roman January
51 		February
50-51 		March
60 		April
62 		May
66 		June
63 		July
62 		August
57 		September
51 		October
50 		November
47 		December
49
Henry Anglicized Roman January
50 		February
50-51 		March
55 		April
57 		May
67 		June
70 		July
67 		August
55 		September
55 		October
50		 November
47 		December
45
Lowell Anglicized Roman January
67 		February
55 		March
54 		April
47 		May
47 		June
44 		July
48 		August
51 		September
56 		October
64 		November
67 		December
70
Nagatomo Anglicized Roman January
49 		February
50-51 		March
55 		April
56 		May
62 		June
65 		July
66 		August
64 		September
55 		October
50 		November
48 		December
48
12-Month Symmetric Gregorian Calendar Naming Convention 1st Month 2nd Month 3rd Month 4th Month 5th Month 6th Month 7th Month 8th Month 9th Month 10th Month 11th Month 12th Month
Blort Anglicized Roman January
56 		February
55-56 		March
56 		April
55 		May
56 		June
55 		July
56 		August
56 		September
55 		October
56 		November
55 		December
56
Coletti Latin numerical Primus
56 		Secundus
55-56 		Tertius
56 		Quartus
56 		Quintus
56 		Sextus
55-56 		Septimus
56 		Octavus
56 		Nonus
55-56 		Decimus
56 		Undecimus
55 		Duodecimus
56
Compton Anglicized Roman January
58 		February
52-53 		March
58 		April
57 		May
58 		June
57 		July
58 		August
58 		September
57 		October
55 		November
57 		December
58
Dechert Anglicized Roman January
56 		February
53-54 		March
56 		April
56 		May
56 		June
56 		July
56 		August
56 		September
56 		October
56 		November
56 		December
56
Douglass-Pickering Anglicized Roman March
56 		April
56 		May
56 		June
55 		July
56 		August
56 		September
56 		October
56 		November
55 		December
55 		January
55 		February
55-56
Elysium Mars Anglicized Roman January
57 		February
50 		March
57 		April
55 		May
57 		June
55 		July
57 		August
57 		September
55 		October
57 		November
55 		December
57
Hallet 2 Anglicized Roman January
56 		February
56 		March
55 		April
56 		May
56 		June
55 		July
56 		August
56 		September
55 		October
56 		November
56 		December
55
Hartmann Anglicized Roman January
56 		February
56 		March
56 		April
56 		May
56 		June
56 		July
56 		August
56 		September
56 		October
56 		November
56 		December
54
Kuiper Biographical Copernicus
55 		Brahe
55 		Kepler
56 		Galileo
56 		Lowell
55 		Wells
56 		Burroughs
55 		Asimov
56 		Bradbury
56 		Moorcock
55 		Robinson
56 		NASA
56
Levitt Anglicized Roman January
56 		February
56 		March
55 		April
56 		May
56 		June
55 		July
56 		August
56 		September
55 		October
56 		November
56 		December
55-56
SCDTL none 56 56 55 56 56 55 56 56 55 56 56 55
Serra Martín 1 Roman Januarius
56 		Februarius
56 		Martius
56 		Aprilis
56 		Maius
56 		Junius
56 		Julius
56 		Augustus
56 		September
56 		October
56 		November
56 		December
53-56
Ström 1 Anglicized Roman January
56 		February
56-57 		March
56 		April
55 		May
56 		June
55 		July
56 		August
56 		September
55 		October
56 		November
55 		December
56
Taylor Anglicized Roman January
56 		February
56-59 		March
56 		April
55 		May
56 		June
55 		July
56 		August
56 		September
55 		October
56 		November
55 		December
56
12-Month Symmetric Zodiacal Calendar Naming Convention 1st Month 2nd Month 3rd Month 4th Month 5th Month 6th Month 7th Month 8th Month 9th Month 10th Month 11th Month 12th Month
Ström 2 Latin zodiacal Sagittarius
56 		Capricornus
56-57 		Aquarius
56 		Pisces
55 		Aries
56 		Taurus
55 		Gemini
56 		Cancer
56 		Leo
55 		Virgo
56 		Libra
55 		Scorpius
56
12-Month Asymmetric Zodiacal Calendar Naming Convention 1st Month 2nd Month 3rd Month 4th Month 5th Month 6th Month 7th Month 8th Month 9th Month 10th Month 11th Month 12th Month
Zubrin Latin zodiacal Gemini
61 		Cancer
65 		Leo
66 		Virgo
65 		Libra
60 		Scorpius
54 		Sagittarius
50 		Capricornus
47 		Aquarius
46 		Pisces
48 		Aries
51 		Taurus
55-56
14-Month Calendar Naming Convention 1st Month 2nd Month 3rd Month 4th Month 5th Month 6th Month 7th Month 8th Month 9th Month 10th Month 11th Month 12th Month 13th Month 14th Month
Prud'homme Martian fictional Shirtu
49 		Qushtu
49 		Sarru
49 		Barsoom
49 		Mushartu
49 		Kajjaamanu
49 		Yuggoth
49 		Shirtu
49 		Qushtu
49 		Sarru
49 		Barsoom
49 		Mushartu
49 		Kajjaamanu
49 		Yuggoth
49
16-Month Calendar Naming Convention 1st Month 2nd Month 3rd Month 4th Month 5th Month 6th Month 7th Month 8th Month 9th Month 10th Month 11th Month 12th Month 13th Month 14th Month 15th Month 16th Month
Aitken Season + numerical 1st Spring Quarter
42 		2nd Spring Quarter
42 		3rd Spring Quarter
42 		4th Spring Quarter
41 		1st Summer Quarter
42 		2nd Summer Quarter
42 		3rd Summer Quarter
42 		4th Summer Quarter
41+intercalary 		1st Autumn Quarter
42 		2nd Autumn Quarter
42 		3rd Autumn Quarter
42 		4th Autumn Quarter
41 		1st Winter Quarter
42 		2nd Winter Quarter
42 		3rd Winter Quarter
42 		4rd Winter Quarter
41-42
Hallet 3 Anglicized Roman (extended) January
42 		February
42 		March
42 		April
41 		May
42 		June
42 		July
42 		August
41 		September
42 		October
42 		November
42 		December
41 		Undecember
42 		Duodecember
42 		Tredecember
42 		Quatourdecember
41
Vophick 1 Anglicized Roman + arbrtrary January
42 		February
41 		March
42 		Geldof
42 		April
42 		May
42 		June
41 		Yorte
42 		July
42 		August
42 		September
41-42 		Herjber
42 		October
42 		November
41 		December
42 		Vidman
42
Vophick 3 Anglicized Roman + Martian geographic January
42 		February
41 		March
42 		Elysium
42 		April
42 		May
42 		June
41 		Olympus
42 		July
42 		August
42 		Marineris
41-42 		September
42 		October
42 		November
41 		December
42 		Hellas
42
18-Month Calendar Naming Convention 1st Month 2nd Month 3rd Month 4th Month 5th Month 6th Month 7th Month 8th Month 9th Month 10th Month 11th Month 12th Month 13th Month 14th Month 15th Month 16th Month 17th Month 18th Month
Arih none 37 (preceded by intercalary) 37 37 37 37 37 37 37 37 37 37 37 37 37 37 37 37 37 + intercalary
Moore none 37 37 37 37 37 38 37 37 37 37 37 38 37 37 37 37 37 38
Salvas Roman alphabetical A
37-38 		B
37 		C
37 		D
37 		E
37 		F
37 		G
37 		H
37 		I
38 		J
38 		K
37 		L
37 		M
37 		N
37 		O
37 		P
37 		Q
37 		R
38
19-Month Calendar Naming Convention 1st Month 2nd Month 3rd Month 4th Month 5th Month 6th Month 7th Month 8th Month 9th Month 10th Month 11th Month 12th Month 13th Month 14th Month 15th Month 16th Month 17th Month 18th Month 19th Month
Becker Solar system mythological Ra
35 		Hermes
35 		Ishtar
35 		Gaea
35 		Selene
35 + intercalary 		Nergal
35 		Ceres
35 		Zeus
35 		Io
35 		Europa
35 + intercalary 		Ganymede
35 		Callisto
35 		Ninib
35 		Titan
35 		Muse
35 + intercalary 		Poseidon
35 		Triton
35 		Dis
35 		Universe
35
Potassium Chemical elements Hydrogen
35 		Helium
35 		Lithium
35 		Beryllium
35 		Boron
35 		Carbon
35 		Nitrogen
35 		Oxygen
35 		Fluorine
35 		Neon
35 		Sodium
35 		Magnesium
35 		Aluminum
35 		Silicon
35 		Phosphorus
35 		Sulphur
35 		Chlorine
35 		Argon
35 		Potassium
35 + 3 to 4 intercalary
Rohrer Greek alphabetical Alpha
35 		Beta
35 		Gamma
35 		Delta
35 		Epsilon
35 		Zeta
35 		Eta
35 		Theta
35 		Kappa
35 		Lambda
35 		Mu
35 		Nu
35 		Xi
35 		Omicron
35 		Pi
35 		Rho
35 		Sigma
35 		Tau
35 		Upsilon
35 + 2 to 5 intercalary
20-Month Calendar Naming Convention 1st Month 2nd Month 3rd Month 4th Month 5th Month 6th Month 7th Month 8th Month 9th Month 10th Month 11th Month 12th Month 13th Month 14th Month 15th Month 16th Month 17th Month 18th Month 19th Month 20th Month
Isakov none 32 32 32 33 32 32 32 33 32 32 32 33 32 32 32 33 32 32 32 33
Millennium Mars Greek mythological Eos
33 		Hermes
33 		Eros
33 		Aphrodite
34 		Apollo
34 		Athena
33 		Poseidon
33 		Helius
33 		Demeter
34 		Persephone
34 		Artemis
33 		Gaea
33 		Selene
33 		Theia
34 		Boreas
34 		Hestia
33 		Hephaestus
33 		Asclepius
33 		Hera
34 		Zeus
34
Oosthoek QS Q + Greek alphabetical Qalfa
36-37 		Qbeta
38 		Qgamma
39 		Qdelta
40 		Qepsilon
40 		Qzeta
39 		Qeta
38 		Qtheta
36 		Qiota
34 		Qkappa
31 		Qlambda
31 		Qmu
29 		Qnu
28 		Qxi
28 		Qomikron
27 		Qpi
28 		Qrho
31 		Qsigma
31 		Qtau
32 		Qupsilon
34
Pavonian Martian geographical Pavonis Ascraeus Syrtis Olympus Elysium Alba Borealis Acidalia Kasei Isidis Ares Noctis Marineris Hellas Argyre Malea Promethei Noachis Tyrrhena Arsia
21-Month Calendar Naming Convention 1st Month 2nd Month 3rd Month 4th Month 5th Month 6th Month 7th Month 8th Month 9th Month 10th Month 11th Month 12th Month 13th Month 14th Month 15th Month 16th Month 17th Month 18th Month 19th Month 20th Month 21st Month
Kretsch ICAO alphabetical Alpha
31-32 		Bravo
32 		Charlie
32 		Delta
32 		Echo
32 		Foxtrot
32 		Golf
31 		Hotel
32 		India
32 		Juliet
32 		Kilo
32 		Lima
32 		Mike
32 		November
31 		Oscar
32 		Papa
32 		Quebec
32 		Romeo
32 		Sierra
32 		Tango
32 		Uniform
31
22-Month Calendar Naming Convention 1st Month 2nd Month 3rd Month 4th Month 5th Month 6th Month 7th Month 8th Month 9th Month 10th Month 11th Month 12th Month 13th Month 14th Month 15th Month 16th Month 17th Month 18th Month 19th Month 20th Month 21st Month 22nd Month
Allison Anglicized Roman + add arbitrary January
31 		February
28-31 		Bradbury
31 		Clarke
31 		March
31 		April
30 		May
31 		Beltaine
30 		Adumah
30 		Kepler
30 		June
30 		July
31 		August
31 		Darius
30 		Sagan
31 		Tsiolkovsky
30 		September
30 		October
31 		November
30 		Sirius
30 		Hypatia
30 		December
31
Hallet 1 Anglicized Roman extended January
31 		February
30 		March
30 		April
31 		May
30 		June
30 		July
31 		August
30 		September
31 		October
30 		November
30 		December
31 		Undecember
30 		Duodecember
30 		Tredecember
31 		Quatourdecember
30 		Quindecember
30 		Sedecember
31 		Septemdecember
30 		Duodevigintis
31 		Undevigintis
30 		Vigintis
30
Mars Pulse 1 Season + (numerical or alphabetical),
Alpha + "ber",
Artificial alpha, or
Zodiacal stars		 SumWin (I, 1, or A),
A'ber 1,
Abruk, or
Deneb Kaitos
31 		SumWin (II, 2, or B),
B'ber 1,
Bebroj, or
Baten Kaitos
31 		SumWin (III, 3, or C),
C'ber 1,
Cibri, or
Mira
30 		SumWin (IV, 4, or D),
D'ber 1,
Dobrah, or
Menkar
30 		SumWin (V, 5, or E),
E'ber 1,
Ebrog, or
Aldebaran
30 		SumWin (VI, 6, or F),
F'ber 1,
Fibrif, or
Nath
30 		TumVer (I, 1, or A),
G'ber 1,
Gobre, or
Mebsuta
30 		TumVer (II, 2, or B),
H'ber 1,
Hubrod, or
Castor
30 		TumVer (III, 3, or C),
I'ber 1,
Ibric, or
Talitha
29 		TumVer (IV, 4, or D),
J'ber 1,
Jobreb, or
Tania
29 		TumVer (V, 5, or E),
K'ber 1,
Kubra, or
Alula
29 		WinSum (I, 1 or A),
A'ber 2,
Arbuk, or
Denebola
29 		WinSum (II, 2, or B),
B'ber 2,
Berboj, or
Diadem
29 		WinSum (III, 3, or C),
C'ber 2,
Cirbi, or
Arcturus
29 		WinSum (IV, 4, or D),
D'ber 2,
Dorbah, or
Cor Serpentis
30 		WinSum (V, 5, or E),
E'ber 2,
Erboj, or
Yed
30 		VerTum (I, 1, or A),
F'ber 2,
Firbif, or
Sabik
30 		VerTum (II, 2, or B),
G'ber 2,
Gorbe, or
Kaus
30 		VerTum (III, 3, or C),
H'ber 2,
Hurbod, or
Ascella
30 		VerTum (IV, 4, or D),
I'ber 2,
Irbic, or
Nunki
30 		VerTum (V, 5 or E),
J'ber 2,
Jorbeb, or
Alnir
31 		VerTum (VI, 6, or F),
K'ber 2,
Kurba, or
Fomalhaut
31 + 10 intercalary + leap
Mars Pulse 2 Season + (numerical or alphabetical),
Alpha + "ber",
Artificial alpha, or
Zodiacal stars		 WinSum (I, 1 or A),
A'ber 1,
Arbuk, or
Denebola
29 		WinSum (II, 2, or B),
B'ber 1,
Berboj, or
Diadem
29 		WinSum (III, 3, or C),
C'ber 1,
Cirbi, or
Arcturus
29 		WinSum (IV, 4, or D),
D'ber 1,
Dorbah, or
Cor Serpentis
30 		WinSum (V, 5, or E),
E'ber 1,
Erboj, or
Yed
30 		VerTum (I, 1, or A),
F'ber 1,
Firbif, or
Sabik
30 		VerTum (II, 2, or B),
G'ber 1,
Gorbe, or
Kaus
30 		VerTum (III, 3, or C),
H'ber 1,
Hurbod, or
Ascella
30 		VerTum (IV, 4, or D),
I'ber 1,
Irbic, or
Nunki
30 		VerTum (V, 5 or E),
J'ber 1,
Jorbeb, or
Alnir
31 		VerTum (VI, 6, or F),
K'ber 1,
Kurba, or
Fomalhaut
31 + 10 intercalary + leap 		SumWin (I, 1, or A),
A'ber 2,
Abruk, or
Deneb Kaitos
31 		SumWin (II, 2, or B),
B'ber 2,
Bebroj, or
Baten Kaitos
31 		SumWin (III, 3, or C),
C'ber 2,
Cibri, or
Mira
30 		SumWin (IV, 4, or D),
D'ber 2,
Dobrah, or
Menkar
30 		SumWin (V, 5, or E),
E'ber 2,
Ebrog, or
Aldebaran
30 		SumWin (VI, 6, or F),
F'ber 2,
Fibrif, or
Nath
30 		TumVer (I, 1, or A),
G'ber 2,
Gobre, or
Mebsuta
30 		TumVer (II, 2, or B),
H'ber 2,
Hubrod, or
Castor
30 		TumVer (III, 3, or C),
I'ber 2,
Ibric, or
Talitha
29 		TumVer (IV, 4, or D),
J'ber 2,
Jobreb, or
Tania
29 		TumVer (V, 5, or E),
K'ber 2,
Kubra, or
Alula
29
Mars Pulse 3 Season + (numerical or alphabetical),
Alpha + "ber",
Artificial alpha, or
Zodiacal stars		 WinSum (I, 1 or A),
A'ber 1,
Arbuk, or
Denebola
29 		WinSum (II, 2, or B),
B'ber 1,
Berboj, or
Diadem
29 		WinSum (III, 3, or C),
C'ber 1,
Cirbi, or
Arcturus
29 		WinSum (IV, 4, or D),
D'ber 1,
Dorbah, or
Cor Serpentis
30 		WinSum (V, 5, or E),
E'ber 1,
Erboj, or
Yed
30 + 10 intercalary + leap 		VerTum (I, 1, or A),
F'ber 1,
Firbif, or
Sabik
30 		VerTum (II, 2, or B),
G'ber 1,
Gorbe, or
Kaus
30 		VerTum (III, 3, or C),
H'ber 1,
Hurbod, or
Ascella
30 		VerTum (IV, 4, or D),
I'ber 1,
Irbic, or
Nunki
30 		VerTum (V, 5 or E),
J'ber 1,
Jorbeb, or
Alnir
31 		VerTum (VI, 6, or F),
K'ber 1,
Kurba, or
Fomalhaut
31 		SumWin (I, 1, or A),
A'ber 2,
Abruk, or
Deneb Kaitos
31 		SumWin (II, 2, or B),
B'ber 2,
Bebroj, or
Baten Kaitos
31 		SumWin (III, 3, or C),
C'ber 2,
Cibri, or
Mira
30 		SumWin (IV, 4, or D),
D'ber 2,
Dobrah, or
Menkar
30 		SumWin (V, 5, or E),
E'ber 2,
Ebrog, or
Aldebaran
30 		SumWin (VI, 6, or F),
F'ber 2,
Fibrif, or
Nath
30 		TumVer (I, 1, or A),
G'ber 2,
Gobre, or
Mebsuta
30 		TumVer (II, 2, or B),
H'ber 2,
Hubrod, or
Castor
30 		TumVer (III, 3, or C),
I'ber 2,
Ibric, or
Talitha
29 		TumVer (IV, 4, or D),
J'ber 2,
Jobreb, or
Tania
29 		TumVer (V, 5, or E),
K'ber 2,
Kubra, or
Alula
29
Thothian Wheel Tarot or
Hebrew alphabetical		 Fool's or
Aleph
30 		Magus' or
Beth
30 		Priestess' or
Gimel
30 		Empress' or
Daleth
30 + intercalary 		Emperor's or
Tzaddi
30 		Heirophant's or
Vau
30 + intercalary 		Lovers' or
Zain
30 		Chariot's or
Cheth
30 + intercalary 		Adjustment's or
Lamed
30 		Hermit's or
Yod
30 + intercalary 		Fortune's or
Kaph
30 		Lust's or
Teth
30 + intercalary 		Hanged Man's or
Mem
30 		Death's or
Nun
30 + intercalary 		Art's or
Samekh
30 		Devil's or
A'ain
30 + intercalary 		Tower's or
Pe'
30 		Star's or
He'
30 + intercalary 		Moon's or
Qoph
30 		Sun's or
Resh
30 		Aeons' or
Shin
30 		Universe's or
Tau
30 + leap
Titanium Chemical elements Hydrogen
30 		Helium
30 		Lithium
30 		Beryllium
30 		Boron
30 		Carbon
30 		Nitrogen
30 		Oxygen
30 		Fluorine
30 		Neon
30 		Sodium
30 		Magnesium
30 		Aluminum
30 		Silicon
30 		Phosphorus
30 		Sulphur
30 		Chlorine
30 		Argon
30 		Potassium
30 		Calcium
30 		Scandium
30 		Titanium
30 		Vanadium
8-9
Vonnegut Anglicized Roman + add arbitrary January
31 		February
31 		March
31 		April
30 		May
31 		June
30 		July
31 		August
31 		September
30 		October
31 		November
30 		December
31 		Winston
30 		Niles
30 		Rumfoord
30 		Kazak
30 		Newport
30 		Chrono
30 		Synclastic
31 		Infundibulum
30 		Salo
30 		Beatrice
30
Weidner Latin numerical Prima
32 		Secunda
32 		Tertia
32 		Quarta
32 		Quinta
32 		Sexta
32 		Septima
30 		Octava
30 		Nona
30 		Decima
30 		Undecima
30 		Duuodecima
30 		Tertia Decima
29 		Quarta Decima
29 		Quinta Decima
29 		Sexta Decima
29 		Septima Decima
30 		Duodevicesima
30 		Undevicesima
30 		Vicesima
30 		Vicesima Prima
30 		Vicesima Secunda
30
22 to 23-Month Embolismic Calendar Naming Convention 1st Month 2nd Month 3rd Month 4th Month 5th Month 6th Month 7th Month 8th Month 8th Month or 9th Month 9th Month or 10th Month 10th Month or 11th Month 11th Month 12th Month 13th Month 14th Month 15th Month 15th Month or 16th Month 16th Month or 17th Month 17th Month or 18th Month 18th Month or 19th Month 19th Month or 20th Month 20th Month or 21st Month 21st Month or 22nd Month 22nd Month or 23rd Month
Savard Latin zodiacal + French Revolutionary Aries
30 		Germinal
29 		Taurus
30 		Floreal
29 		Gemini
30 		Prairial
30 		Cancer
30 		Messidor
29 		Leo
30 		Thermidor
29 		Virgo
30 		Fructidor
29 		Libra
30 		Vendemaire
29 		Scorpio
30 		Brumaire
29 		Sagittarius
30 		Frimaire
30 		Capricorn
30 		Nivose
29 		Aquarius
30 		Pluviose
29 		Pisces
30 		Ventose
29-30
23-Month Calendar Naming Convention 1st Month 2nd Month 3rd Month 4th Month 5th Month 6th Month 7th Month 8th Month 9th Month 10th Month 11th Month 12th Month 13th Month 14th Month 15th Month 16th Month 17th Month 18th Month 19th Month 20th Month 21st Month 22nd Month 23rd Month
Cronin Anglicized Roman + "Alpha/Beta" Alpha-January
29 		Beta-January
29 		Alpha-February
29 		Beta-February
29 		Alpha-March
29 		Beta-March
29 		Alpha-April
29 		Beta-April
29 		Alpha-May
29 		Beta-May
29 		Alpha-June
29 		Beta-June
29 		Alpha-July
29 		Beta-July
29 		Alpha-August
29 		Beta-August
29 		Alpha-September
29 		Beta-September
29 		Alpha-October
29 		Beta-October
29 		Alpha-November
29 		Beta-November
29 		Alpha-December
30-31
Innaky Roman modified Ianus
30 		Duober
29 		Treber
30 		Quattuorber
30 		Quinqueber
30 		Sexber
30 		September
30 		October
30 		November
29 		December
30 		Undecimber
30 		Duodecimber
30 		Tredecimber
30 		Quattourdecimber
30 		Quindecimber
30 		Sexdecimber
30 		Septemdecimber
29 		Octodecimber
30 		Novemdecimber
30 		Viginti
30 		Unvigintiber
30 		Duovigintiber
30 		Ultimus
30
Vanadium Chemical elements Hydrogen
29 		Helium
29 		Lithium
29 		Beryllium
29 		Boron
29 		Carbon
29 		Nitrogen
29 		Oxygen
29 		Fluorine
29 		Neon
29 		Sodium
29 		Magnesium
29 		Aluminum
29 		Silicon
29 		Phosphorus
29 		Sulphur
29 		Chlorine
29 		Argon
29 		Potassium
29 		Calcium
29 		Scandium
29 		Titanium
29 		Vanadium
29-31
24-Month Symmetric Double Gregorian Calendar Naming Convention 1st Month 2nd Month 3rd Month 4th Month 5th Month 6th Month 7th Month 8th Month 9th Month 10th Month 11th Month 12th Month 13th Month 14th Month 15th Month 16th Month 17th Month 18th Month 19th Month 20th Month 21st Month 22nd Month 23rd Month 24th Month
Heinlein Anglicized Roman + mythological January undefined February undefined March Ceres April undefined May undefined June undefined July undefined August undefined September undefined October Zeus November undefined December undefined
Heron Roman + Latin zodiacal + "mon" Janumon
28 		Aquarimon
28 		Februamon
27-28 		Piscemon
28 		Marsmon
28 		Ariesmon
28 		Aprilismon
28 		Taurusmon
28 		Mayamon
27 		Geminimon
28 		Junomon
28 		Cancermon
28 		Juliusmon
28 		Leomon
28 		Augustusmon
27 		Virgomon
28 		Septemon
28 		Libramon
28 		Octomon
28 		Scorpiomon
28 		Novemon
27 		Sagittariomon
28 		Decemon
28 		Capricormon
28
Robinson 24-Month Anglicized Roman + "1/2" 1 January
28 		2 January
28 		1 February
28 		2 February
28 		1 March
28 		2 March
28 		1 April
28 		2 April
27 		1 May
28 		2 May
28 		1 June
28 		2 June
28 		1 July
28 		2 July
28 		1 August
28 		2 August
27 		1 September
28 		2 September
28 		1 October
28 		2 October
28 		1 November
28 		2 November
28 		1 December
28 		2 December
27
Serra Martín 2 Januarius
28 		Februarius
28 		Martius
28 		Aprilis
28 		Maius
28 		Junius
28 		Julius
28 		Augustus
28 		September
28 		October
28 		November
28 		December
28 		undefined
28 		undefined
28 		undefined
28 		undefined
28 		undefined
28 		undefined
28 		undefined
28 		undefined
28 		undefined
28 		undefined
28 		undefined
28 		undefined
25-28
Šurán Leap/Skip Day Anglicized Roman + ("P/D", "A/B", or
"one/ide")		 January (P or A) or
Januarione
intercalary + 28 		January (D or B) or
Januaryide
28 		February (P or A) or
Februarione
28 		February (D or B) or
Februaryide
28 		March (P or A) or
Marchione
28 		March (D or B) or
Marchide
28 		April (P or A) or
Aprilone
intercalary + 28 		April (D or B) or
Aprilide
28 		May (P or A) or
Mayone
28 		May (D or B) or
Mayide
28 		June (P or A) or
Junione
28 		June (D or B) or
Junyide
21 		July (P or A) or
Julione
(intercalary leap/skip) + 28 		July (D or B) or
Julyide
28 		August (P or A) or
Augustone
28 		August (D or B) or
Augustide
28 		September (P or A) or
Septemberone
28 		September (D or B) or
Septemberide
28 		October (P or A) or
Octoberone
intercalary + 28 		October (D or B) or
Octoberide
28 		November (P or A) or
Novemberone
28 		November (D or B) or
Novemberide
28 		December (P or A) or
Decemberone
28 		December (D or B) or
Decemberide
28
Šurán Leap/Skip Week Anglicized Roman + ("P/D", "A/B", or
"one/ide")		 January (P or A) or
Januarione
intercalary + 28 		January (D or B) or
Januaryide
28 		February (P or A) or
Februarione
28 		February (D or B) or
Februaryide
28 		March (P or A) or
Marchione
28 		March (D or B) or
Marchide
28 		April (P or A) or
Aprilone
28 		April (D or B) or
Aprilide
28 		May (P or A) or
Mayone
28 		May (D or B) or
Mayide
28 		June (P or A) or
Junione
28 		June (D or B) or
Junyide
21 or 28 		July (P or A) or
Julione
28 		July (D or B) or
Julyide
28 		August (P or A) or
Augustone
28 		August (D or B) or
Augustide
28 		September (P or A) or
Septemberone
28 		September (D or B) or
Septemberide
28 		October (P or A) or
Octoberone
28 		October (D or B) or
Octoberide
28 		November (P or A) or
Novemberone
28 		November (D or B) or
Novemberide
28 		December (P or A) or
Decemberone
28 		December (D or B) or
Decemberide
28
24-Month Symmetric Summer Solstice Calendar Naming Convention 1st Month 2nd Month 3rd Month 4th Month 5th Month 6th Month 7th Month 8th Month 9th Month 10th Month 11th Month 12th Month 13th Month 14th Month 15th Month 16th Month 17th Month 18th Month 19th Month 20th Month 21st Month 22nd Month 23rd Month 24th Month
Chromium Chemical elements Hydrogen
28 		Helium
28 		Lithium
28 		Beryllium
28 		Boron
28 		Carbon
28 		Nitrogen
28 		Oxygen
28 		Fluorine
28 		Neon
28 		Sodium
28 		Magnesium
28 		Aluminum
28 		Silicon
28 		Phosphorus
28 		Sulphur
28 		Chlorine
28 		Argon
28 		Potassium
28 		Calcium
28 		Scandium
28 		Titanium
28 		Vanadium
28 		Chromium
24-25
24-Month Asymmetric Vernal Equinox Calendar Naming Convention 1st Month 2nd Month 3rd Month 4th Month 5th Month 6th Month 7th Month 8th Month 9th Month 10th Month 11th Month 12th Month 13th Month 14th Month 15th Month 16th Month 17th Month 18th Month 19th Month 20th Month 21st Month 22nd Month 23rd Month 24th Month
Sherwood A none 30 31 32 33 33 33 33 32 31 29 28 26-27 25 24 24 23 23 23 24 24 25 26 27 29
Sherwood B none 30 31 32 33 33 33 32 31 30 29 27 26 25-26 25 24 24 24 24 24 25 25 26 27 28
Sherwood D none 30 31 32 33 34 33 32 31 30 29 28 27 26 25 24 23 23 23 24 24 25 26 27 28-29
24-Month Symmetric Vernal Equinox Calendar Naming Convention 1st Month 2nd Month 3rd Month 4th Month 5th Month 6th Month 7th Month 8th Month 9th Month 10th Month 11th Month 12th Month 13th Month 14th Month 15th Month 16th Month 17th Month 18th Month 19th Month 20th Month 21st Month 22nd Month 23rd Month 24th Month
Darian Latin/Sanskrit zodiacal Sagittarius
28 		Dhanus
28 		Capricornus
28 		Makara
28 		Aquarius
28 		Kumbha
27 		Pisces
28 		Mina
28 		Aries
28 		Mesha
28 		Taurus
28 		Rishabha
27 		Gemini
28 		Mithuna
28 		Cancer
28 		Karka
28 		Leo
28 		Simha
27 		Virgo
28 		Kanya
28 		Libra
28 		Tula
28 		Scorpius
28 		Vrishika
27-28
Darian Hensel Season + numerical prefix Vernalis
28		 Duvernalis
28		 Trivernalis
28		 Quadrivernalis
28		 Pentavernalis
28		 Hexavernalis
27		 Aestas
28		 Duestas
28		 Triestas
28		 Quadrestas
28		 Pentestas
28		 Hexestas
27		 Autumnus
28		 Duautumn
28		 Triautumn
28		 Quadrautumn
28		 Pentautumn
28		 Hexautumn
27		 Unember
28		 Duember
28		 Triember
28		 Quadrember
28		 Pentember
28		 Hexember
27-28
Darian Rotterdam Alphabetical artificial Adir
28 		Bora
28 		Coan
28 		Deti
28 		Edal
28 		Flo
27 		Geor
28 		Heliba
28 		Idanon
28 		Jowani
28 		Kireal
28 		Larno
27 		Medior
28 		Neturima
28 		Ozulikan
28 		Pasurabi
28 		Rudiakel
28 		Safundo
27 		Tiunor
28 		Ulasja
28 		Vadeun
28 		Wakumi
28 		Xetual
28 		Zungo
27-28
Hollon Alphabetical space historical Aldrin
28 		(B)
28 		(C)
28 		(D)
28 		(E)
28 		(F)
28 		(G)
28 		(H)
28 		(I)
28 		(J)
28 		(K)
28 		(L)
27 		(M)
28 		(N)
28 		(O)
28 		(P)
28 		(R)
28 		(S)
28 		(T)
28 		(U)
28 		(V)
28 		(W)
28 		(Y)
28 		Zubrin
27-28
Martiana Latin/Sanskrit zodiacal Sagittarius
28 		Dhanus
28 		Capricornus
28 		Makara
28 		Aquarius
28 		Kumbha
27 		Pisces
28 		Mina
28 		Aries
28 		Mesha
28 		Taurus
28 		Rishabha
27 		Gemini
28 		Mithuna
28 		Cancer
28 		Karka
28 		Leo
28 		Simha
27 		Virgo
28 		Kanya
28 		Libra
28 		Tula
28 		Scorpius
28 		Vrishika
27-28
Naughton-O'Meara Latin zodiacal + constallations Sagittarius
28 		Lyra
28 		Capricorn
28 		Cygnus
28 		Aquarius
28 		Pegasus
27 		Pisces
28 		Phoenix
28 		Aries
28 		Perseus
28 		Taurus
28 		Orion
27 		Gemini
28 		Columba
28 		Cancer
28 		Lynx
28 		Leo
28 		Hydra
27 		Virgo
28 		Crux
28 		Libra
28 		Ursa
28 		Scorpius
28 		Draco
27-28
Schmidt none 28 28 28 28 28 27 28 28 28 28 28 28 28 28 28 28 28 27 28 28 28 28 28 27
Sherwood C none 28 28 28 28 28 28 28 28 28 28 28 28 28 28 28 27 27 27 27-28 28 28 28 28 28
Utopian/Kepler Latin zodiacal + constallations Sagittarius
28 		Aquila
28 		Capricorn
28 		Grus
28 		Aquarius
28 		Pegasus
28 		Pisces
28 		Cetus
28 		Aries
28 		Perseus
28 		Taurus
28 		Orion
28		 Gemini
28 		Monoceros
28 		Cancer
28 		Hydra
28 		Leo
28 		Corvus
28		 Virgo
28 		Bootes
28 		Libra
28 		Lupus
28 		Scorpius
28 		Ophiuchus
24-25
Woods-Gangale Latin zodiacal + constallations Taurus
28 		Orion
28 		Gemini
28 		Monoceros
28 		Cancer
28 		Hydra
27 		Leo
28 		Corvus
28 		Virgo
28 		Centaurus
28 		Libra
28 		Lupus
27 		Scorpius
28 		Ophiuchus
28 		Sagittarius
28 		Aquila
28 		Capricornus
28 		Pegasus
27 		Aquarius
28 		Cetus
28 		Pisces
28 		Andromeda
28 		Aries
28 		Perseus
27-28
32-Month Calendar Naming Convention 1st Month 2nd Month 3rd Month 4th Month 5th Month 6th Month 7th Month 8th Month 9th Month 10th Month 11th Month 12th Month 13th Month 14th Month 15th Month 16th Month 17th Month 18th Month 19th Month 20th Month 21st Month 22nd Month 23rd Month 24th Month 25th Month 26th Month 27th Month 28th Month 29th Month 30th Month 31st Month 32nd Month
Vophick 2 Anglicized Roman + arbitrary January
21 		Atnough
21 		February
21 		Bithogin
20 		March
21 		Kupf
21 		Geldof
21 		Gysle
21 		April
21 		Ghizzam
21 		May
21 		Natten
21 		June
21 		Hibtho
20 		Yorte
21 		Jivv
21 		July
21 		Ognate
21 		August
21 		Phaichu
21 		September
21 		Rilwha
20-21 		Herjber
21 		Thogna
21 		October
21 		Vophick
21 		November
21 		Xurl
21 		December
21 		Islif
21 		Vidman
21 		Zhimga
21

Martian Time

Martian Time

Martian Time Survey

Martian Time Survey 2.2