Pregnancy Due Date Calculator When the Last Period Began on June 20, 2025

If the first day of your last period (L.M.P.) was June 20, 2025, your due date will be:

March 27, 2026 (that's Friday)

It seems that the date June 20, 2025 is a date pointing to the future, correct the date of the first day of your last period. The date above indicates the day of delivery assuming you really know the future date of the L.M.P., and that you become pregnant.

Due dates for nearest periods