Weeks Calculator – Weeks Between Two Dates This Weeks Calculator counts the number of weeks between two dates Start date: Month JanFebMarAprMayJunJulAugSepOctNovDec Day 12345678910111213141516171819202122232425262728293031 End date: Month JanFebMarAprMayJunJulAugSepOctNovDec Day 12345678910111213141516171819202122232425262728293031 See also: Calculate Weeks From a Date