Date & Time Calculators – Age, Countdown & Duration Tools
Instantly calculate hours, days, weeks, months between dates, time left, countdowns, or age in years and more. Our date and time calculators are built for everyday, business, and academic use!
Core Time & Date Tools
24-Hour Clock Calculator
Convert & compute time in 24-hour format—great for schedules and travel.
Age Calculator
Find exact age in years, months, days—birthday and anniversary helper.
Time Between Two Dates
Calculate years, months, days between any two calendar dates.
Days Between Two Dates
Find exact number of days between dates—vacation, deadlines, payroll.
Days Until Calculator
Countdown to any future event—trips, launches, holidays, exams, more.
Hours Calculator
Sum total hours/minutes between times or across dates—business, tracking.
Minutes Ago Calculator
How many minutes have passed from a given time or date?
Minutes From Now Calculator
Add minutes to now—see finish time, appointments, cooking, meetings.
Hours Ago Calculator
Find “how many hours ago”—track deadlines, event recaps, productivity logs.
Hours From Now Calculator
Add hours to the current time—shift planning, work, cooking, etc.
Days Ago Calculator
How many days ago was your starting point? Useful for logs and tracking.
Days From Today Calculator
Count forward from today—see when your future date falls.
Add or Subtract From Date
Modify any date by adding or subtracting days—project plans, timelines, budgeting.
Advance Add or Subtract From a Date
Advanced: add/subtract days, months, or years—comprehensive scheduling tool.
Months From Now Calculator
Calculate date a certain number of months from now—great for contracts, payments.
Months Ago Calculator
See which date was a given number of months ago—helpful for records, finance.
Weeks Ago Calculator
Find date for x weeks ago—handy for planning, timelines, or work logs.
Weeks From Now Calculator
Future date X weeks from now—projects, schedules, calendar events.
How Long Until Calculator
See time left (“how long until?”) for birthdays, launches, deadlines, more.
Time Calculator
Add/subtract hours, minutes, seconds, and more—all-in-one time math.