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Online Timer, Alarm Clock and Tide Charts

Free, no sign-up, and it all runs right in your browser — start a timer or set an alarm, time laps on the stopwatch, look up today's high and low tides straight from NOAA, or follow a countdown to the day you're waiting for.

Alarm Clock
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alarm-clock.orgHow it works

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Open to see the full screen bedside clock.

Timer
1 min5 min10 min15 min
Open Timer
Stopwatch
StartLap
Fastest00:03.86Slowest00:04.51Average00:04.15
LapLap timeTotal
  • Lap 300:04.5100:12.47
  • Lap 200:03.8600:07.96
  • Lap 100:04.1000:04.10
Open

Sunrise & Sunset

The cities below run north to south. The farther from the equator, the more day length swings with the season — long summer days, short winter ones.

See My LocationSearch a Location
Tide Charts
Los Angeles, CA
0246ft6a12p6p-0.5ft3.9ft2.4ft6.1ft
Today's high & low tides — open the live chart →
Boston, MA
0510ft6a12p6p0.8ft8.6ft1.6ft10.0ft
Today's high & low tides — open the live chart →
Seattle, WA
0510ft6a12p6p9.6ft-1.2ft11.2ft
Today's high & low tides — open the live chart →
Tides near meSearch by city & state
Celebrity Birthday Countdowns
Tom Bradyin 6d
Barack Obamain 7d
Roger Federerin 11d
Jennifer Lawrencein 18d
Bill Clintonin 22d
Usain Boltin 24d
Sporting Event Countdowns
World Seriesin 84d
Daytona 500in 201d
The Mastersin 257d
Boston Marathonin 265d
Kentucky Derbyin 277d
Indianapolis 500in 306d
Political Countdowns
Midterm Elections 2026in 98d
Presidential Election 2028in 833d
Inauguration Day 2029in 907d
Important Work Countdowns
Friday at 5:00 PM2d 21h
Open
Next Fed. Holiday40d 12h
Open
Next 3-Day Weekend38d 13h
Open
See all work countdowns →

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