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Do you know the regularity of your cycle?

Menstrual calender online

Easily calculate your days by clicking

Now you get a quick overview of the expected dates of fertile and infertile days in the coming months.

Online calendar

Calculate «your days»!
Last menstruation 
Cycle Days
Enter the first day of your last mens and change the length of the cycle if necessary. The calendar shows you the dates in an overview. The input is even easier if you click on the corresponding day in the calendar.

Expected dates

M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T
Nov   1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30  
Dec   1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31  
Jan   1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31  
Feb   1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29  
Mar   1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31  
Legend     Menstruation       Ovulation       fertile days       infertile days   

We assume no liability for the calculation. The displayed dates are for orientation and may vary. In particular, the calendar should not be used for contraception.

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