November 30 – December 6, 2026
MonTueWedThuFriSatSun
Week 1 contains the first Thursday of the year.ISO guide →Date → week number
December 3, 2026: What week number?
Thursday, December 3, 2026ISO Week 492026-W49
ISO Week 49 runs from November 30, 2026 to December 6, 2026.
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.
November 29 – December 5, 2026
SunMonTueWedThuFriSat
Week 1 contains January 1.US-style guide →ISO weekWeek 49
US-style weekWeek 49
WeekdayThursday
QuarterQ4
Day of year337 / 365
ISO weekday4 / 7
December 2026
Date context
Thursday, December 3, 2026 is day 337 of 2026 and belongs to ISO Week 49.
This ISO week crosses a month boundary: it starts in November and ends in December.
Distance from today
How long until December 3, 2026?
Days58
Full weeks8
Remaining days2
December 3, 2026 is 58 days from today, equal to 8 full weeks and 2 days.
International observances
Official observances on this date
International Day of Persons with Disabilities
International observance listed by UN.
Official source →