Age in Days Calculator
A birthday in years is familiar; a life length in days is a big integer that still fits on a normal screen. Type birth date and a reference "today" to get total days lived plus a years-plus-days re...
Time & Date Open →Time & Date
Free time and date calculators.
Free time and date calculators.
Countdown Timer
Counting down to a launch, an exam, or a flight helps humans aim attention at a shared finish line. Pick a time zone, set the target, and the tool shows a running gap as you leave the page open, or...
Time & Date Open →Date Difference Calculator
The gap between two dates is easy in a spreadsheet and annoying on paper because months have different lengths. Pick two days (and whether to count the endpoints), then read a difference in days pl...
Time & Date Open →Days From Today Calculator
People ask for "thirty business days" or "ninety days from signature" in contracts; this is the plain calendar version you can read on a wall calendar. Set today or another anchor, add or subtract ...
Time & Date Open →Meeting Time Planner
Scheduling a call across three continents is a Venn diagram of work hours, not a single "best" instant. Add rows with each participant’s work-day window in their time zone, then look for a colored ...
Time & Date Open →Time Zone Converter
A meeting at "nine Eastern" is a point on the line of UTC offsets, not a local clock fantasy. Type a time in one city or offset, read a row of others, and remember to handle DST in your own head if...
Time & Date Open →Unix Timestamp Converter
Programmers pass time as a single growing integer, but people read a zone label and a calendar. Paste a seconds or millisecond value, and read the UTC and your browser’s local time at once. The Uni...
Time & Date Open →Week Number Calculator
Some teams say "W23" in January during ISO week 1, while others use "week 1" as the first week that contains a January 1, which can disagree. The tool shows the ISO year-week pair and a simple 1–52...
Time & Date Open →Work Hours Calculator
Payroll and freelance invoices often need exact hours, not a rounded "about eight in the office." Type clock-in, clock-out, and unpaid break minutes for each day, and read a daily and weekly total....
Time & Date Open →World Clock
When stock markets, sports, and families span the globe, you juggle a wall of local clocks, not a single "now" everywhere. Add cities, read their current offset from UTC, and use it to pick a good ...
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