Ovulation Day for a 21-day Cycle When the Last Period Started on October 01, 2025
⚪ Ovulation day (highest chance for pregnant) is:
2025-10-08 (Wednesday)
📅 Fertile window: Oct 04 - Oct 09
| Sat | Sun | Mon | Tue | Wed | Thu |
| Oct 04 | Oct 05 | Oct 06 | Oct 07 | Oct 08 | Oct 09 |
| 👦 | 👦 | 👦/👧 | 👧 | 👧 | 👧 |
Pregnacy test day: Oct 23 2025
💡 According to recent studies, the chance of conception during ovulation is about 25%. Therefore, do not worry when the test comes out negative. Another chance is just a month of waiting.
If pregnant:
🤱 Due date: Jul 08 2026 (Wednesday)
If not pregnant.
🩸 Next period: Oct 22 2025
⚪ Next ovulation: Oct 29 2025
Nearest days of ovulation for a 21-day cycle
- Ovulation day for a 21-day cycle when the last period started on September 27
- Ovulation day for a 21-day cycle when the last period started on September 28
- Ovulation day for a 21-day cycle when the last period started on September 29
- Ovulation day for a 21-day cycle when the last period started on September 30
- Ovulation day for a 21-day cycle when the last period started on October 1
- Ovulation day for a 21-day cycle when the last period started on October 2
- Ovulation day for a 21-day cycle when the last period started on October 3
- Ovulation day for a 21-day cycle when the last period started on October 4
- Ovulation day for a 21-day cycle when the last period started on October 5
The closest calculation of the day of ovulation for different cycle lengths when the first day of the period was October 1, 2025
- Ovulation day for a 21-day cycle when the last period started on October 1
- Ovulation day for a 22-day cycle when the last period started on October 1
- Ovulation day for a 23-day cycle when the last period started on October 1
- Ovulation day for a 24-day cycle when the last period started on October 1
- Ovulation day for a 25-day cycle when the last period started on October 1