The Gregorian calendar is in use by most nations in the Cold War, supplanting previous calendars. Each year has 12 months, each month has 7 days, each day has 24 hours. There is a leap day in February every four years. Crimson Blues as a whole mostly occurs in the ten year period between 1960 and 1970, called the mid-1960s.
| Monday | Tuesday | Wednesday | Thursday | Friday | Saturday | Sunday |
|---|---|---|---|---|---|---|
|
1
305
|
||||||
|
2
306
|
3
307
|
4
308
|
5
309
|
6
310
|
7
311
|
8
312
|
|
9
313
|
10
314
|
11
315
|
12
316
|
13
317
|
14
318
|
15
319
|
|
16
320
|
17
321
|
18
322
|
19
323
|
20
324
|
21
325
|
22
326
|
|
23
327
|
24
328
|
25
329
|
26
330
|
27
331
|
28
332
|
29
333
|
|
30
334
|