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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 by City
Tide Charts
Los Angeles, CA
0246ft6a12p6p-0.2ft3.6ft2.8ft5.8ft
Today's high & low tides — open the live chart →
Boston, MA
510ft6a12p6p1.2ft8.2ft2.1ft9.7ft
Today's high & low tides — open the live chart →
Seattle, WA
0510ft6a12p6p9.4ft-0.7ft11.1ft7.6ft
Today's high & low tides — open the live chart →
Tides near meSearch by city & state
Celebrity Birthday Countdowns
Tom Bradyin 8d
Barack Obamain 9d
Roger Federerin 13d
Jennifer Lawrencein 20d
Bill Clintonin 24d
Usain Boltin 26d
Sporting Event Countdowns
World Seriesin 86d
Daytona 500in 203d
The Mastersin 259d
Boston Marathonin 267d
Kentucky Derbyin 279d
Indianapolis 500in 308d
Political Countdowns
Midterm Elections 2026in 100d
Presidential Election 2028in 835d
Inauguration Day 2029in 909d
Important Work Countdowns
Friday at 5:00 PM4d 20h
Open
Next Fed. Holiday42d 11h
Open
Next 3-Day Weekend40d 12h
Open
See all work countdowns →

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