ISO week 2026-W49

Week 49, 2026

Monday, November 30 – Sunday, December 6, 2026

ISO week 49 of 2026 (2026-W49) runs from Monday, November 30, 2026 to Sunday, December 6, 2026.

This week starts 7 weeks from now. The current week is week 42, 2026.

The 7 days of week 49

Dates in week 49, 2026
Day	Date	Day of year	US week	ISO date
Monday	November 30, 2026	334 of 365	49	2026-W49-1
Tuesday	December 1, 2026	335 of 365	49	2026-W49-2
Wednesday	December 2, 2026	336 of 365	49	2026-W49-3
Thursday	December 3, 2026	337 of 365	49	2026-W49-4
Friday	December 4, 2026	338 of 365	49	2026-W49-5
Saturday	December 5, 2026	339 of 365	49	2026-W49-6
Sunday	December 6, 2026	340 of 365	50	2026-W49-7

Week 49 at a glance

ISO code: 2026-W49 (Monday is 2026-W49-1, Sunday is 2026-W49-7)
Month: November and December
Quarter: Q4 of 2026
Day of year: Days 334–340 of 365
US week number: Monday–Saturday: US week 49; Sunday: US week 50 (Sunday-start weeks, week 1 contains January 1)
Even or odd: Week 49 is an odd week
Weeks left: After this week, 4 ISO weeks remain in 2026 (53 weeks in total)
Year progress: By Sunday, 93% of 2026 has passed

Holidays and key dates

There are no US federal holidays, daylight saving time changes or quarter starts in week 49 of 2026.

Week numbers follow ISO 8601: weeks start on Monday and week 1 contains the first Thursday of the year. US weeks start on Sunday, with week 1 containing January 1.

Questions about week 49, 2026

What are the dates of week 49 in 2026?

Week 49 of 2026 starts on Monday, November 30, 2026 and ends on Sunday, December 6, 2026.

What month is week 49 of 2026?

Week 49 falls in November and December. By the Thursday rule that ISO 8601 uses for years and quarters, it counts as a December week.

How do I get week 49 of 2026 in Excel or Google Sheets?

=ISOWEEKNUM(DATE(2026,11,30)) returns 49. To go the other way, =DATE(2026,1,4)-WEEKDAY(DATE(2026,1,4),2)+1+(49-1)*7 returns the Monday, November 30, 2026.