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.
Gregorian Calendar
31 December, 1969 CE
| Monday | Tuesday | Wednesday | Thursday | Friday | Saturday | Sunday |
|---|---|---|---|---|---|---|
|
1
244
|
2
245
|
3
246
|
4
247
|
5
248
|
||
|
6
249
|
7
250
|
8
251
|
9
252
|
10
253
|
11
254
|
12
255
|
|
13
256
|
14
257
|
15
258
|
16
259
|
17
260
|
18
261
|
19
262
|
|
20
263
|
21
264
|
22
265
|
23
266
Autumn
|
24
267
|
25
268
|
26
269
|
|
27
270
|
28
271
|
29
272
|
30
273
|