March 19–25, 1900
MonTueWedThuFriSatSun
Week 1 contains the first Thursday of the year.ISO guide →Date → week number
March 22, 1900: What week number?
Thursday, March 22, 1900ISO Week 121900-W12
ISO Week 12 runs from March 19, 1900 to March 25, 1900.
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.
March 18–24, 1900
SunMonTueWedThuFriSat
Week 1 contains January 1.US-style guide →ISO weekWeek 12
US-style weekWeek 12
WeekdayThursday
QuarterQ1
Day of year81 / 365
ISO weekday4 / 7
March 1900
Date context
Thursday, March 22, 1900 is day 81 of 1900 and belongs to ISO Week 12.
The entire ISO Week 12 falls within March.
Distance from today
How long ago was March 22, 1900?
Days46200
Full weeks6600
Remaining days0
March 22, 1900 is 46200 days before today, equal to 6600 full weeks.
International observances
Official observances on this date
World Water Day
International observance listed by UN.
Official source →