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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-0.4ft3.8ft2.6ft6.0ft
Today's high & low tides — open the live chart →
Boston, MA
510ft6a12p6p1.0ft8.4ft1.9ft9.8ft
Today's high & low tides — open the live chart →
Seattle, WA
0510ft6a12p6p9.5ft-1.0ft11.2ft7.4ft
Today's high & low tides — open the live chart →
Tides near meSearch by city & state
Celebrity Birthday Countdowns
Tom Bradyin 7d
Barack Obamain 8d
Roger Federerin 12d
Jennifer Lawrencein 19d
Bill Clintonin 23d
Usain Boltin 25d
Sporting Event Countdowns
World Seriesin 85d
Daytona 500in 202d
The Mastersin 258d
Boston Marathonin 266d
Kentucky Derbyin 278d
Indianapolis 500in 307d
Political Countdowns
Midterm Elections 2026in 99d
Presidential Election 2028in 834d
Inauguration Day 2029in 908d
Important Work Countdowns
Friday at 5:00 PM3d 20h
Open
Next Fed. Holiday41d 11h
Open
Next 3-Day Weekend39d 12h
Open
See all work countdowns →

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