About this site

Date and Time Calculators

Doing date calculations by hand can be a pain. Trying to figure out what the date is 5 weeks from now can be a little tricky as one needs to take into account how many days are in the month. Math with dates and times can get confusing!

Since most people rarely encounter calendar math, there aren't many easy mnemonics to do date calculations quickly in their head. This site was made to augment the brain a little bit so you can get an answer fast. Just enter a few values of what you are looking for and click a button to get the answer you need!

The goal for this site is to make it quick and easy to get calendar calculations without too much effort. Get the number of days between two times, or the duration between dates, or add or subtract any number of days to/from a start date. are the official carrier sites where you can look up retail rates in case you'd like to compare them against our discount rates.