The Robinson 24-Month Calendar (non-perpetual)

Su Mo Tu We Th Fr Sa Su Mo Tu We Th Fr Sa Su Mo Tu We Th Fr Sa Su Mo Tu We Th Fr Sa
1 January 1 2 3 4 5 6 7 1 April 1 2 3 4 5 6 7 1 July 1 1 October 1 2
8 9 10 11 12 13 14 8 9 10 11 12 13 14 2 3 4 5 6 7 8 3 4 5 6 7 8 9
15 16 17 18 19 20 21 15 16 17 18 19 20 21 9 10 11 12 13 14 15 10 11 12 13 14 15 16
22 23 24 25 26 27 28 22 23 24 25 26 27 28 16 17 18 19 20 21 22 17 18 19 20 21 22 23
23 24 25 26 27 28 24 25 26 27 28
2 January 1 2 3 4 5 6 7 2 April 1 2 3 4 5 6 7 2 July 1 2 October 1 2
8 9 10 11 12 13 14 8 9 10 11 12 13 14 2 3 4 5 6 7 8 3 4 5 6 7 8 9
15 16 17 18 19 20 21 15 16 17 18 19 20 21 9 10 11 12 13 14 15 10 11 12 13 14 15 16
22 23 24 25 26 27 28 22 23 24 25 26 27 16 17 18 19 20 21 22 17 18 19 20 21 22 23
23 24 25 26 27 28 24 25 26 27 28
1 February 1 2 3 4 5 6 7 1 May 1 1 August 1 1 November 1 2
8 9 10 11 12 13 14 2 3 4 5 6 7 8 2 3 4 5 6 7 8 3 4 5 6 7 8 9
15 16 17 18 19 20 21 9 10 11 12 13 14 15 9 10 11 12 13 14 15 10 11 12 13 14 15 16
22 23 24 25 26 27 28 16 17 18 19 20 21 22 16 17 18 19 20 21 22 17 18 19 20 21 22 23
23 24 25 26 27 28 23 24 25 26 27 28 24 25 26 27 28
2 February 1 2 3 4 5 6 7 2 May 1 2 August 1 2 November 1 2
8 9 10 11 12 13 14 2 3 4 5 6 7 8 2 3 4 5 6 7 8 3 4 5 6 7 8 9
15 16 17 18 19 20 21 9 10 11 12 13 14 15 9 10 11 12 13 14 15 10 11 12 13 14 15 16
22 23 24 25 26 27 16 17 18 19 20 21 22 16 17 18 19 20 21 22 17 18 19 20 21 22 23
23 24 25 26 27 28 23 24 25 26 27 24 25 26 27 28
1 March 1 2 3 4 5 6 7 1 June 1 1 September 1 2 1 December 1 2
8 9 10 11 12 13 14 2 3 4 5 6 7 8 3 4 5 6 7 8 9 3 4 5 6 7 8 9
15 16 17 18 19 20 21 9 10 11 12 13 14 15 10 11 12 13 14 15 16 10 11 12 13 14 15 16
22 23 24 25 26 27 28 16 17 18 19 20 21 22 17 18 19 20 21 22 23 17 18 19 20 21 22 23
23 24 25 26 27 28 24 25 26 27 28 24 25 26 27 28
2 March 1 2 3 4 5 6 7 2 June 1 2 September 1 2 2 December 1 2
8 9 10 11 12 13 14 2 3 4 5 6 7 8 3 4 5 6 7 8 9 3 4 5 6 7 8 9
15 16 17 18 19 20 21 9 10 11 12 13 14 15 10 11 12 13 14 15 16 10 11 12 13 14 15 16
22 23 24 25 26 27 28 16 17 18 19 20 21 22 17 18 19 20 21 22 23 17 18 19 20 21 22 23
23 24 25 26 27 28 24 25 27 27 28 24 25 26 27

Key to Equinoxes, Solstices, Apsides, and
Leap Sols in the Calendar Tables

1Vernal Equinox
13Aphelion
28Summer Solstice
10Autumnal Equinox
13Perihelion
13Winter Solstice
28Leap Sol

NOTE: Dates shown for these events will vary due to intercalation.


  Document Excerpts from Red Mars
Kim Stanley Robinson
Table Summary Robinson LS Calendar
  Summary Robinson 24-Month Calendar
  Martian Time

Martian Time

  Martian Time Survey

Martian Time Survey 2.2