New York
United States
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Today's date and current time
Local time, world clocks, and the tools to plan your day.
YOUR LOCAL TIME
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Monthly calendar
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World time
Current local time in major cities.
London
United Kingdom
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Japan
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Sydney
Australia
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Time differences are relative to you. Daylight saving is handled automatically.
Date & time tools
Time zone converter, date and age calculators, countdown timer, stopwatch and Unix timestamp converter.
Time zone converter
Compare time zones for a chosen date, account for daylight saving, and share a meeting time or download a calendar invitation.
Date calculator
Calculate days between two dates, include both dates, or add and subtract calendar days or weekdays. Weekdays exclude weekends, not holidays.
Countdown timer
Set a free online countdown timer for minutes and seconds. Pause, resume or reset it, with an optional sound when time is up.
Stopwatch
Measure elapsed time with a free online stopwatch. Record lap and split times, pause and resume, and download your laps as a CSV file.
Age calculator
Calculate your age in years, months and days from your date of birth. Choose a reference date and see the days until your next birthday.
Unix timestamp converter
Convert Unix timestamps in seconds or milliseconds to readable dates, or convert a date back to Unix time. See UTC and local time together.
The time journal
Articles on daylight saving time, leap years, ISO week numbers, Unix time and atomic clocks.
Daylight saving time: why your meeting moved
A London–New York call is usually five hours apart. For a few weeks, it isn’t. Here is how to stop a calendar surprise.
Read the storyDaylight saving time: why a day can have 23 hours
Tomorrow is one date away. That does not always mean 86,400 seconds. The difference matters in code, travel, and everyday counting.
Read the storyISO week numbers: why January can be in week 53
Week 53 is not a glitch. ISO week dates use a second kind of year, with its own boundary near New Year.
Read the storyToday's date in different formats
Written out —
ISO 8601 · YYYY-MM-DD —
US · MM/DD/YYYY —
Day first · DD/MM/YYYY —
Questions about today's date and time
What is today’s date and time?
The live clock shows the date and time in your device’s time zone.
How accurate is this clock?
Our clock follows your device. Enable automatic time in your settings; this site does not independently synchronize with an atomic clock.
Does the time adjust for daylight saving?
Named IANA time zones use your browser’s rules for daylight saving. Keep your browser and operating system updated.
What does the week number mean?
ISO weeks start on Monday. Week 1 contains the first Thursday of the year.