4
Start/End dates
Start: Week 4 started on Monday, January 25, 2021
End: Week 4 ends on Sunday, January 31, 2021
Current Week
Current week number is displayed according Czech Republic capital's local time and country calendar rules.
Week rules in Czech Republic calendar
Current week number is according to Czech Republic calendar.
Monday is the first day of week and Sunday if the last day of the week.
The first week of the year is the week that contains January 4th, first 4 days of the year.
How many weeks in a year?
Number of weeks in a year is 52 weeks total, so the maximum week in 2021 year is week 52.
3 weeks passed in 2021 excluding current week
48 weeks left in 2021, until next 2022 year starts, excluding current week