Timestamp Calculator

Example:

1704067200 (Jan 1, 2024)
+ 86400 seconds (1 day)
= 1704153600 (Jan 2, 2024)

Add or subtract time from Unix timestamps. Calculate future or past dates.

Try Time Machine →

FAQs

How many seconds in a day?

86,400 seconds (60 × 60 × 24).