Calendar Weeks

This week is Calendar Week 01

12/31/2018 - 01/6/2019
Calendar Week 2019 |

When is the 01th week number 2019?

Calendar Week (week number) 01 is from Monday, December 31, 2018
until (and including) Sunday, January 6, 2019.

What's the Current Week Number?

The current week (week 01) is highlighted.

Find more info on our main Calendar 2019 with Week Numberss page.

The highest week number in a year is either 52 or 53.