Track and predict your next period with our Next Period Calculator! Get accurate menstrual cycle forecasts, ovulation dates, and fertility windows—personalized, private, and free!
Your Next Period
Next Period Start Date
2025-06-30
Next Period End Date
2025-07-04
Days Until Next Period
0
Period Calendar
Menstrual Cycle Phases
Phase
Days
Description
Menstrual Phase
Days 1–5
When bleeding occurs.
Follicular Phase
Days 1–13
When the body prepares an egg.
Ovulation Phase
Around day 14
When the egg is released.
Luteal Phase
Days 15–28
When the body prepares for pregnancy or the next cycle.
Period Tracker
Track your menstrual cycle with this calendar. Days highlighted in pink indicate your predicted period.
Sun
Mon
Tue
Wed
Thu
Fri
Sat
Menstrual Cycle Phases
Phase
Days
Description
Menstrual Phase
Days 1–5
When bleeding occurs.
Follicular Phase
Days 1–13
When the body prepares an egg.
Ovulation Phase
Around day 14
When the egg is released.
Luteal Phase
Days 15–28
When the body prepares for pregnancy or the next cycle.
