Enter your last period and cycle details to see your upcoming fertile window, ovulation day, and period dates on
a calendar.
📅 Your Cycle Details
5
How many days your period typically lasts
28
Average days from period start to next period start
3
How many future cycles to show
🗓️Calendar
‹
›
Period
Fertile window
Ovulation day
Regular day
📋 Upcoming Dates
#
Event
Start date
End date
Please note: This calculator uses average cycle patterns and is for informational purposes
only. Ovulation timing varies between individuals and cycle to cycle. It should not replace medical advice or be
used as contraception. If you are trying to conceive or have irregular cycles, consult a healthcare provider.