Stopwatch & Timer
Precision stopwatch with lap tracking, and a customizable countdown timer with an audio alert when time runs out.
Stopwatch
00:00.00
Countdown Timer
00:05:00
Date Difference
Select two dates above.
Add / Subtract Time
Enter values above.
Sun & Moon — New York
Loading sun & moon data…
Weather — New York
Click "My Location" or load New York weather.
Public Holidays
Select a country and click Load.
Free Time Tools
A complete suite of free time and date tools — no account needed, no ads. All calculations happen in your browser for instant results.
Date Calculator
Calculate the exact number of days, months, and years between any two dates, or add and subtract years, months, and days from any start date.
Sun, Moon & Weather
Sunrise, sunset, moonrise, and moon phase for any location. 7-day weather forecast powered by Open-Meteo — free, no API key.