Spreadsheet: 853993d1703949070-chatgpt-says-this-cant-be-done-without-vba-track-menstruation_2
Sheet: Calendary

 |  |  |  |  |  |  |  |  |  |  | last Menstruation |  | 2023-11-13 00:00:00 | today
 | Ma | Di | Wo | Do | Vr | Za
2023-11-26 00:00:00 | 2023-11-27 00:00:00 | 2023-11-28 00:00:00 | 2023-11-29 00:00:00 | 2023-11-30 00:00:00 | 2023-12-01 00:00:00 | 2023-12-02 00:00:00
2023-12-03 00:00:00 | 2023-12-04 00:00:00 | 2023-12-05 00:00:00 | 2023-12-06 00:00:00 | 2023-12-07 00:00:00 | 2023-12-08 00:00:00 | 2023-12-09 00:00:00 |  |  | You could use a formula like that for better visualization of the periods. |  |  |  |  | * = expected
2023-12-10 00:00:00 | 2023-12-11 00:00:00 | 2023-12-12 00:00:00 | 2023-12-13 00:00:00 | 2023-12-14 00:00:00 | 2023-12-15 00:00:00 | 2023-12-16 00:00:00
2023-12-17 00:00:00 | 2023-12-18 00:00:00 | 2023-12-19 00:00:00 | 2023-12-20 00:00:00 | 2023-12-21 00:00:00 | 2023-12-22 00:00:00 | 2023-12-23 00:00:00
2023-12-24 00:00:00 | 2023-12-25 00:00:00 | 2023-12-26 00:00:00 | 2023-12-27 00:00:00 | 2023-12-28 00:00:00 | 2023-12-29 00:00:00 | 2023-12-30 00:00:00 |  |  |  |  | Menstruation Start expected |  |  |  |  |  |  |  | Your typical cycle length in days |  | 31
2023-12-31 00:00:00 | 2024-01-01 00:00:00 | 2024-01-02 00:00:00 | 2024-01-03 00:00:00 | 2024-01-04 00:00:00 | 2024-01-05 00:00:00 | 2024-01-06 00:00:00 |  |  |  |  | Menstruation Start |  | 2023-12-16 00:00:00 |  |  |  |  |  | Typical menstruation days |  | 4
 |  |  |  |  |  |  |  |  |  |  | Menstruation End |  |  |  |  |  |  |  | days fertile start before ovulation |  | 5
 | Ma | Di | Wo | Do | Vr | Za |  |  |  |  | Fertile Start |  |  |  |  |  |  |  | Days from period start until ovulation begins |  | 14
2023-12-31 00:00:00 | 2024-01-01 00:00:00 | 2024-01-02 00:00:00 | 2024-01-03 00:00:00 | 2024-01-04 00:00:00 | 2024-01-05 00:00:00 | 2024-01-06 00:00:00 |  |  |  |  | Ovulating |  |  |  |  |  |  |  | Days fertile stop after ovulation |  | 1
2024-01-07 00:00:00 | 2024-01-08 00:00:00 | 2024-01-09 00:00:00 | 2024-01-10 00:00:00 | 2024-01-11 00:00:00 | 2024-01-12 00:00:00 | 2024-01-13 00:00:00 |  |  |  |  | Fertile End
2024-01-14 00:00:00 | 2024-01-15 00:00:00 | 2024-01-16 00:00:00 | 2024-01-17 00:00:00 | 2024-01-18 00:00:00 | 2024-01-19 00:00:00 | 2024-01-20 00:00:00 |  |  |  |  | Menstruation Period |  |  |  |  |  |  |  | today = ovulation day
2024-01-21 00:00:00 | 2024-01-22 00:00:00 | 2024-01-23 00:00:00 | 2024-01-24 00:00:00 | 2024-01-25 00:00:00 | 2024-01-26 00:00:00 | 2024-01-27 00:00:00 |  |  |  |  | Fertility Period
2024-01-28 00:00:00 | 2024-01-29 00:00:00 | 2024-01-30 00:00:00 | 2024-01-31 00:00:00 | 2024-02-01 00:00:00 | 2024-02-02 00:00:00 | 2024-02-03 00:00:00
2024-02-04 00:00:00 | 2024-02-05 00:00:00 | 2024-02-06 00:00:00 | 2024-02-07 00:00:00 | 2024-02-08 00:00:00 | 2024-02-09 00:00:00 | 2024-02-10 00:00:00
 | Ma | Di | Wo | Do | Vr | Za |  |  |  |  | Menstruation Start expeted
2024-01-28 00:00:00 | 2024-01-29 00:00:00 | 2024-01-30 00:00:00 | 2024-01-31 00:00:00 | 2024-02-01 00:00:00 | 2024-02-02 00:00:00 | 2024-02-03 00:00:00 |  |  |  |  | Menstruation Start
2024-02-04 00:00:00 | 2024-02-05 00:00:00 | 2024-02-06 00:00:00 | 2024-02-07 00:00:00 | 2024-02-08 00:00:00 | 2024-02-09 00:00:00 | 2024-02-10 00:00:00 |  |  |  |  | Menstruation End
2024-02-11 00:00:00 | 2024-02-12 00:00:00 | 2024-02-13 00:00:00 | 2024-02-14 00:00:00 | 2024-02-15 00:00:00 | 2024-02-16 00:00:00 | 2024-02-17 00:00:00 |  |  |  |  | Fertile Start
2024-02-18 00:00:00 | 2024-02-19 00:00:00 | 2024-02-20 00:00:00 | 2024-02-21 00:00:00 | 2024-02-22 00:00:00 | 2024-02-23 00:00:00 | 2024-02-24 00:00:00 |  |  |  |  | Ovulating
2024-02-25 00:00:00 | 2024-02-26 00:00:00 | 2024-02-27 00:00:00 | 2024-02-28 00:00:00 | 2024-02-29 00:00:00 | 2024-03-01 00:00:00 | 2024-03-02 00:00:00 |  |  |  |  | Fertile End
2024-03-03 00:00:00 | 2024-03-04 00:00:00 | 2024-03-05 00:00:00 | 2024-03-06 00:00:00 | 2024-03-07 00:00:00 | 2024-03-08 00:00:00 | 2024-03-09 00:00:00 |  |  |  |  | Menstruation Period
 |  |  |  |  |  |  |  |  |  |  | Fertility Period
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | You only need to fill in the blue cells
 |  |  |  |  |  |  |  |  |  |  | Menstruation Start expeted
 |  |  |  |  |  |  |  |  |  |  | Menstruation Start
 |  |  |  |  |  |  |  |  |  |  | Menstruation End
 |  |  |  |  |  |  |  |  |  |  | Fertile Start
 |  |  |  |  |  |  |  |  |  |  | Ovulating
 |  |  |  |  |  |  |  |  |  |  | Fertile End
 |  |  |  |  |  |  |  |  |  |  | Menstruation Period
 |  |  |  |  |  |  |  |  |  |  | Fertility Period