How many weeks in year 2021
There are 52 weeks in year 2021
Calendar Week Numbers for 2021 - Week Number 01
All Calendar weeks in week 1 in the year 2021.
All Calendar weeks in the year 2021 (ISO 8601). Below we have listed all weeks for 2021.
Week 01 Details
| Day | Date |
|---|---|
| Monday | 4. Jan |
| Tuesday | 5. Jan |
| Wednesday | 6. Jan |
| Thursday | 7. Jan |
| Friday | 8. Jan |
| Saturday | 9. Jan |
| Sunday | 10. Jan |
Frequently Asked Questions
Answers to frequently asked questions about the year 2021:
How many weeks are there in the year 2021?
There are 52 weeks in the year 2021.
When does the year 2021 start and end?
The year 2021 starts on January 1 and ends on December 31.
How are the weeks numbered in the year 2021?
The weeks are numbered according to the ISO 8601 standard, where each week starts on Monday and the first week of the year contains January 4.
How do I find the start and end dates of a specific week in the year 2021?
You can find the start and end dates of a specific week by using our calendar week details above. Simply click on the week number to see the details.