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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
05ft6a12p6p-0.6ft4.0ft2.2ft6.1ft
Today's high & low tides — open the live chart →
Boston, MA
0510ft6a12p6p0.6ft8.8ft1.4ft
Today's high & low tides — open the live chart →
Seattle, WA
0510ft6a12p6p7.1ft9.7ft-1.4ft11.3ft
Today's high & low tides — open the live chart →
Tides near meSearch by city & state
Celebrity Birthday Countdowns
Tom Bradyin 5d
Barack Obamain 6d
Roger Federerin 10d
Jennifer Lawrencein 17d
Bill Clintonin 21d
Usain Boltin 23d
Sporting Event Countdowns
World Seriesin 83d
Daytona 500in 200d
The Mastersin 256d
Boston Marathonin 264d
Kentucky Derbyin 276d
Indianapolis 500in 305d
Political Countdowns
Midterm Elections 2026in 97d
Presidential Election 2028in 832d
Inauguration Day 2029in 906d
Important Work Countdowns
Friday at 5:00 PM1d 21h
Open
Next Fed. Holiday39d 12h
Open
Next 3-Day Weekend37d 13h
Open
See all work countdowns →

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