Week 49 of 2021 runs December 6, 2021 to December 12, 2021.
Week 49 starts on Monday, December 6, 2021 and ends on Sunday, December 12, 2021. It's the 340th day of the year, sits in Q4, and falls in December. By the end of this week, 346 of 365 days are gone, putting 2021 at 94.8%.
There are no public holidays this week, so all 5 weekdays are working days. Need a different week? Browse the full 2021 week calendar, or jump to this week's number.
Week 49 at a glance
The 7 days of week 49
Every date in week 49 of 2021, Monday through Sunday, with day-of-year numbers and events.
| Day | Date | Day no. | Type | Events |
|---|---|---|---|---|
| Monday | Day 340 | Weekday | ||
| Tuesday | Day 341 | Weekday | ||
| Wednesday | Day 342 | Weekday | ||
| Thursday | Day 343 | Weekday | ||
| Friday | Day 344 | Weekday | ||
| Saturday | Day 345 | Weekend | ||
| Sunday | Day 346 | Weekend |
What week 49 of 2021 means
ISO 8601 numbers weeks so every week starts on Monday and ends on Sunday. Week 1 is the one holding the year's first Thursday, which is why early January can land in week 52 or 53 of the previous year. Week 49 is one piece of that system.
In 2021, week 49 covers Dec 6 – Dec 12, 2021. That's December, deep in Q4. The same week number shifts by a day or two each year, so week 49 in 2022 won't share these exact dates. The table below shows how it moves.
Want to check a specific date instead of a week number? The week calculator converts any date to its ISO week. Curious how many weeks a year holds? The weeks in a year guide explains 52 versus 53. And the ISO week number page covers the standard end to end.
Holidays in week 49 of 2021
No major public holidays in week 49 of 2021 across the US, UK, Canada, or Australia.
Week 49 across years
The same ISO week number lands on different dates each year. Here's how week 49 shifts.
| Year | From (Mon) | To (Sun) | Notable | |
|---|---|---|---|---|
| 2024 | view → |
Week 49 of 2021: questions and answers
What days are in week 49 of 2021?
Week 49 of 2021 runs from December 6, 2021 (Monday) through December 12, 2021 (Sunday). It spans December.
What month is week 49 in 2021?
Week 49 of 2021 falls entirely in December 2021.
How many working days are in week 49 of 2021?
Week 49 of 2021 has 5 working days.
What quarter is week 49 of 2021 in?
Week 49 of 2021 is in Q4 (2021). The week starts on day 340 of 365.
What is ISO week 49?
ISO week 49 is defined by the ISO 8601 international standard. It begins on Monday, December 6, 2021, and ends on Sunday, December 12, 2021. It is week 94% through the ISO year 2021.