November 25 – December 1, 1901
MonTueWedThuFriSatSun
Week 1 contains the first Thursday of the year.ISO guide →Date → week number
December 1, 1901: What week number?
Sunday, December 1, 1901ISO Week 481901-W48
ISO Week 48 runs from November 25, 1901 to December 1, 1901.
ISO vs US-style week numbers
The same date can have different week numbers
ISO weeks start on Monday. The simplified US-style system starts on Sunday and counts the week containing January 1 as Week 1.
December 1–7, 1901
SunMonTueWedThuFriSat
Week 1 contains January 1.US-style guide →ISO weekWeek 48
US-style weekWeek 49
WeekdaySunday
QuarterQ4
Day of year335 / 365
ISO weekday7 / 7
December 1901
Date context
Sunday, December 1, 1901 is day 335 of 1901 and belongs to ISO Week 48.
This ISO week crosses a month boundary: it starts in November and ends in December.
Distance from today
How long ago was December 1, 1901?
Days45611
Full weeks6515
Remaining days6
December 1, 1901 is 45611 days before today, equal to 6515 full weeks and 6 days.
International observances
Official observances on this date
World AIDS Day
International observance listed by WHO.
Official source →