The Robinson LS Calendar

1st
LS=0
2nd
LS=0
1st
LS=1
2nd
LS=1
1st
LS=2
2nd
LS=2
1st
LS=5
2nd
LS=5
1st
LS=4
2nd
LS=4
1st
LS=5
2nd
LS=5
1st
LS=6
2nd
LS=6
1st
LS=7
2nd
LS=7
1st
LS=8
2nd
LS=8
1st
LS=9
2nd
LS=9
1st
LS=10
2nd
LS=10
1st
LS=11
2nd
LS=11
1st
LS=12
2nd
LS=12
1st
LS=13
2nd
LS=13
1st
LS=14
2nd
LS=14
3rd
LS=14
1st
LS=15
2nd
LS=15
1st
LS=16
2nd
LS=16
1st
LS=17
2nd
LS=17
1st
LS=18
2nd
LS=18
1st
LS=19
2nd
LS=19
1st
LS=20
2nd
LS=20
1st
LS=21
2nd
LS=21
1st
LS=22
2nd
LS=22
1st
LS=23
2nd
LS=23
1st
LS=24
2nd
LS=24
1st
LS=25
2nd
LS=25
1st
LS=26
2nd
LS=26
1st
LS=27
2nd
LS=27
1st
LS=28
2nd
LS=28
3rd
LS=28
1st
LS=29
2nd
LS=29
1st
LS=30
2nd
LS=30
1st
LS=31
2nd
LS=31
1st
LS=32
2nd
LS=32
1st
LS=33
2nd
LS=33
1st
LS=34
2nd
LS=34
3rd
LS=34
1st
LS=35
2nd
LS=35
1st
LS=36
2nd
LS=36
1st
LS=37
2nd
LS=37
1st
LS=38
2nd
LS=38
1st
LS=39
2nd
LS=39
1st
LS=40
2nd
LS=40
3rd
LS=40
1st
LS=41
2nd
LS=41
1st
LS=42
2nd
LS=42
1st
LS=43
2nd
LS=43
1st
LS=44
2nd
LS=44
1st
LS=45
2nd
LS=45
3rd
LS=45
1st
LS=46
2nd
LS=46
1st
LS=47
2nd
LS=47
1st
LS=48
2nd
LS=48
1st
LS=49
2nd
LS=49
1st
LS=50
2nd
LS=50
3rd
LS=50
1st
LS=51
2nd
LS=51
1st
LS=52
2nd
LS=52
1st
LS=53
2nd
LS=53
1st
LS=54
2nd
LS=54
1st
LS=55
2nd
LS=55
3rd
LS=55
1st
LS=56
2nd
LS=56
1st
LS=57
2nd
LS=57
1st
LS=58
2nd
LS=58
1st
LS=59
2nd
LS=59
1st
LS=60
2nd
LS=60
3rd
LS=60
1st
LS=61
2nd
LS=61
1st
LS=62
2nd
LS=62
1st
LS=63
2nd
LS=63
1st
LS=64
2nd
LS=64
3rd
LS=64
1st
LS=65
2nd
LS=65
1st
LS=66
2nd
LS=66
1st
LS=67
2nd
LS=67
1st
LS=68
2nd
LS=68
3rd
LS=68
1st
LS=69
2nd
LS=69
1st
LS=70
2nd
LS=70
1st
LS=71
2nd
LS=71
1st
LS=72
2nd
LS=72
3rd
LS=72
1st
LS=73
2nd
LS=73
1st
LS=74
2nd
LS=74
1st
LS=75
2nd
LS=75
1st
LS=76
2nd
LS=76
3rd
LS=76
1st
LS=77
2nd
LS=77
1st
LS=78
2nd
LS=78
1st
LS=79
2nd
LS=79
1st
LS=80
2nd
LS=80
3rd
LS=80
1st
LS=81
2nd
LS=81
1st
LS=82
2nd
LS=82
1st
LS=83
2nd
LS=83
1st
LS=84
2nd
LS=84
1st
LS=85
2nd
LS=85
3rd
LS=85
1st
LS=86
2nd
LS=86
1st
LS=87
2nd
LS=87
1st
LS=88
2nd
LS=88
1st
LS=89
2nd
LS=89
1st
LS=90
2nd
LS=90
3rd
LS=90
1st
LS=91
2nd
LS=91
1st
LS=92
2nd
LS=92
1st
LS=93
2nd
LS=93
1st
LS=94
2nd
LS=94
1st
LS=95
2nd
LS=95
1st
LS=96
2nd
LS=96
1st
LS=97
2nd
LS=97
3rd
LS=97
1st
LS=98
2nd
LS=98
1st
LS=99
2nd
LS=99
1st
LS=100
2nd
LS=100
1st
LS=101
2nd
LS=101
1st
LS=102
2nd
LS=102
1st
LS=103
2nd
LS=103
1st
LS=104
2nd
LS=104
1st
LS=105
2nd
LS=105
3rd
LS=105
1st
LS=106
2nd
LS=106
1st
LS=107
2nd
LS=107
1st
LS=108
2nd
LS=108
1st
LS=109
2nd
LS=109
1st
LS=110
2nd
LS=110
3rd
LS=110
1st
LS=111
2nd
LS=111
1st
LS=112
2nd
LS=112
3rd
LS=112
1st
LS=113
2nd
LS=113
1st
LS=114
2nd
LS=114
1st
LS=115
2nd
LS=115
1st
LS=116
2nd
LS=116
1st
LS=117
2nd
LS=117
1st
LS=118
2nd
LS=118
1st
LS=119
2nd
LS=119
1st
LS=120
2nd
LS=120
1st
LS=121
2nd
LS=121
1st
LS=122
2nd
LS=122
1st
LS=123
2nd
LS=123
1st
LS=124
2nd
LS=124
1st
LS=125
2nd
LS=125
1st
LS=126
2nd
LS=126
1st
LS=127
2nd
LS=127
1st
LS=128
2nd
LS=128
1st
LS=129
2nd
LS=129
1st
LS=130
2nd
LS=130
1st
LS=131
2nd
LS=131
1st
LS=132
2nd
LS=132
1st
LS=133
2nd
LS=133
1st
LS=134
2nd
LS=134
1st
LS=135
2nd
LS=135
1st
LS=136
2nd
LS=136
1st
LS=137
2nd
LS=137
1st
LS=138
2nd
LS=138
1st
LS=139
2nd
LS=139
1st
LS=140
2nd
LS=140
1st
LS=141
2nd
LS=141
1st
LS=142
2nd
LS=142
1st
LS=143
2nd
LS=143
1st
LS=144
2nd
LS=144
1st
LS=145
2nd
LS=145
1st
LS=146
2nd
LS=146
1st
LS=147
2nd
LS=147
1st
LS=148
2nd
LS=148
1st
LS=149
2nd
LS=149
1st
LS=150
1st
LS=151
2nd
LS=151
1st
LS=152
2nd
LS=152
1st
LS=153
2nd
LS=153
1st
LS=154
2nd
LS=154
1st
LS=155
2nd
LS=155
1st
LS=156
2nd
LS=156
1st
LS=157
2nd
LS=157
1st
LS=158
2nd
LS=158
1st
LS=159
1st
LS=160
2nd
LS=160
1st
LS=161
2nd
LS=161
1st
LS=162
2nd
LS=162
1st
LS=163
1st
LS=164
2nd
LS=164
1st
LS=165
2nd
LS=165
1st
LS=166
2nd
LS=166
1st
LS=167
1st
LS=168
2nd
LS=168
1st
LS=169
2nd
LS=169
1st
LS=170
2nd
LS=170
1st
LS=171
1st
LS=172
2nd
LS=172
1st
LS=173
2nd
LS=173
1st
LS=174
1st
LS=175
2nd
LS=175
1st
LS=176
2nd
LS=176
1st
LS=177
2nd
LS=177
1st
LS=178
1st
LS=179
2nd
LS=179
1st
LS=180
2nd
LS=180
1st
LS=181
2nd
LS=181
1st
LS=182
1st
LS=183
2nd
LS=183
1st
LS=184
2nd
LS=184
1st
LS=185
2nd
LS=185
1st
LS=186
1st
LS=187
2nd
LS=187
1st
LS=188
2nd
LS=188
1st
LS=189
1st
LS=190
2nd
LS=190
1st
LS=191
2nd
LS=191
1st
LS=192
1st
LS=193
2nd
LS=193
1st
LS=194
2nd
LS=194
1st
LS=195
1st
LS=196
2nd
LS=196
1st
LS=197
1st
LS=198
2nd
LS=198
1st
LS=199
1st
LS=200
2nd
LS=200
1st
LS=201
2nd
LS=201
1st
LS=202
1st
LS=203
2nd
LS=203
1st
LS=204
1st
LS=205
2nd
LS=205
1st
LS=206
2nd
LS=206
1st
LS=207
1st
LS=208
2nd
LS=208
1st
LS=209
1st
LS=210
2nd
LS=210
1st
LS=211
2nd
LS=211
1st
LS=212
1st
LS=213
2nd
LS=213
1st
LS=214
1st
LS=215
2nd
LS=215
1st
LS=216
2nd
LS=216
1st
LS=217
1st
LS=218
2nd
LS=218
1st
LS=219
2nd
LS=219
1st
LS=220
1st
LS=221
2nd
LS=221
1st
LS=222
1st
LS=223
2nd
LS=223
1st
LS=224
2nd
LS=224
1st
LS=225
1st
LS=226
2nd
LS=226
1st
LS=227
1st
LS=228
2nd
LS=228
1st
LS=229
1st
LS=230
2nd
LS=230
1st
LS=231
1st
LS=232
2nd
LS=232
1st
LS=233
2nd
LS=233
1st
LS=234
1st
LS=235
2nd
LS=235
1st
LS=236
1st
LS=237
2nd
LS=237
1st
LS=238
1st
LS=239
2nd
LS=239
1st
LS=240
1st
LS=241
2nd
LS=241
1st
LS=242
1st
LS=243
2nd
LS=243
1st
LS=244
2nd
LS=244
1st
LS=245
1st
LS=246
2nd
LS=246
1st
LS=247
1st
LS=248
2nd
LS=248
1st
LS=249
1st
LS=250
2nd
LS=250
1st
LS=251
1st
LS=252
2nd
LS=252
1st
LS=253
1st
LS=254
2nd
LS=254
1st
LS=255
1st
LS=256
2nd
LS=256
1st
LS=257
1st
LS=258
2nd
LS=258
1st
LS=259
1st
LS=260
2nd
LS=260
1st
LS=261
1st
LS=262
2nd
LS=262
1st
LS=263
2nd
LS=263
1st
LS=264
1st
LS=265
2nd
LS=265
1st
LS=266
1st
LS=267
2nd
LS=267
1st
LS=268
1st
LS=269
2nd
LS=269
1st
LS=270
1st
LS=271
2nd
LS=271
1st
LS=272
2nd
LS=272
1st
LS=273
1st
LS=274
2nd
LS=274
1st
LS=275
1st
LS=276
2nd
LS=276
1st
LS=277
1st
LS=278
2nd
LS=278
1st
LS=279
1st
LS=280
2nd
LS=280
1st
LS=281
2nd
LS=281
1st
LS=282
1st
LS=283
2nd
LS=283
1st
LS=284
1st
LS=285
2nd
LS=285
1st
LS=286
2nd
LS=286
1st
LS=287
1st
LS=288
2nd
LS=288
1st
LS=289
1st
LS=290
2nd
LS=290
1st
LS=291
2nd
LS=291
1st
LS=292
1st
LS=293
2nd
LS=293
1st
LS=294
1st
LS=295
2nd
LS=295
1st
LS=296
2nd
LS=296
1st
LS=297
1st
LS=298
2nd
LS=298
1st
LS=299
2nd
LS=299
1st
LS=300
1st
LS=301
2nd
LS=301
1st
LS=302
1st
LS=303
2nd
LS=303
1st
LS=304
2nd
LS=304
1st
LS=305
1st
LS=306
2nd
LS=306
1st
LS=307
2nd
LS=307
1st
LS=308
1st
LS=309
2nd
LS=309
1st
LS=310
1st
LS=311
2nd
LS=311
1st
LS=312
2nd
LS=312
1st
LS=313
1st
LS=314
2nd
LS=314
1st
LS=315
2nd
LS=315
1st
LS=316
2nd
LS=316
1st
LS=317
1st
LS=318
2nd
LS=318
1st
LS=319
2nd
LS=319
1st
LS=320
2nd
LS=320
1st
LS=321
1st
LS=322
2nd
LS=322
1st
LS=323
2nd
LS=323
1st
LS=324
2nd
LS=324
1st
LS=325
1st
LS=326
2nd
LS=326
1st
LS=327
2nd
LS=327
1st
LS=328
2nd
LS=328
1st
LS=329
1st
LS=330
2nd
LS=330
1st
LS=331
2nd
LS=331
1st
LS=332
2nd
LS=332
1st
LS=333
1st
LS=334
2nd
LS=334
1st
LS=335
2nd
LS=335
1st
LS=336
2nd
LS=336
1st
LS=337
2nd
LS=337
1st
LS=338
1st
LS=339
2nd
LS=339
1st
LS=340
2nd
LS=340
1st
LS=341
2nd
LS=341
1st
LS=342
1st
LS=343
2nd
LS=343
1st
LS=344
2nd
LS=344
1st
LS=345
2nd
LS=345
1st
LS=346
2nd
LS=346
1st
LS=347
2nd
LS=347
1st
LS=348
2nd
LS=348
1st
LS=349
2nd
LS=349
1st
LS=350
2nd
LS=350
1st
LS=351
2nd
LS=351
1st
LS=352
1st
LS=353
2nd
LS=353
1st
LS=354
2nd
LS=354
1st
LS=355
2nd
LS=355
1st
LS=356
2nd
LS=356
1st
LS=357
2nd
LS=357
1st
LS=358
2nd
LS=358
1st
LS=359

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
  Summary Robinson LS Calendar
Table Summary Robinson 24-Month Calendar
  Martian Time

Martian Time

  Martian Time Survey

Martian Time Survey 2.2