Date & time
Date differences, working days, timestamps, time zones and countdowns.
12 tools in this category
Online Timer
A countdown timer with an alarm, quick presets and a title-bar clock. No install, nothing uploaded.
Date & time
Stopwatch
Online stopwatch with laps, fastest and slowest lap marked, and a copyable lap table.
Date & time
Age Calculator
Exact age in years, months and days from a birth date, plus total days lived and time until the next birthday.
Date & time
Days Between Dates
Count the exact days between two dates, with a weeks and calendar breakdown. Runs in your browser.
Date & time
Add or Subtract Days
Add or subtract days, weeks and months from a date to get the resulting date and its weekday. Runs in your browser.
Date & time
Working Days Calculator
Count working days between two dates with weekends and Serbian public holidays subtracted.
Date & time
Unix Timestamp Converter
Convert a Unix timestamp to a human date (UTC and local) and back, with seconds/milliseconds detection. Runs in your browser.
Date & time
Day of the Week Calculator
Find what day of the week any date falls on, plus day of year, ISO week and leap-year status. Runs in your browser.
Date & time
Week Number Calculator
Find the ISO 8601 week number for any date, with the week’s Monday–Sunday range. Runs in your browser.
Date & time
Time Zone Converter
Convert a date and time between world time zones, with daylight saving handled automatically.
Date & time
Countdown to Date
Live countdown to any date and time — days, hours, minutes and seconds, ticking in your browser.
Date & time
Easter Date Calculator
Find the date of Easter for any year — both Orthodox and Catholic (Western), and how far apart they fall.
Date & time