Date & Time
Explore our complete collection of tools specifically curated in this category.
Date Duration
Calculate the duration between two dates in years, months, and days.
Date +/-
Add or subtract years, months, and days from a date.
Workday Calculator
Calculate working days between dates, excluding weekends and holidays.
Time Zone Converter
Convert time across multiple time zones instantly.
Week Number Calculator
Find the ISO week number for any date, with week boundaries and days remaining.
Leap Year Calculator
Check if any year is a leap year and find upcoming leap years.
Quarter Calculator
Find the calendar and fiscal quarter for any date with days remaining.
Calendar
Interactive monthly calendar with week numbers, day info, and quick navigation.
Holiday Calendar
Public holidays for 150+ countries. Filter by type and region.
Festival Calendar
Religious & cultural festivals across Hindu, Islamic, Christian, Sikh, Buddhist, and Jewish traditions.
Clock
Full-screen live digital clock with timezone support, 12/24h format, and millisecond precision.
Stopwatch
Precise stopwatch with lap splits and millisecond accuracy.
Timer
Set a countdown with presets, keyboard shortcuts, full-screen mode, and alarm.
Countdown Timer
Create a live countdown to any date, event, or deadline.
Time Duration Calculator
Calculate the exact duration between two clock times. Handles midnight crossovers.
Time Card Calculator
Weekly timesheet: enter daily start/end times and breaks to calculate total hours and pay.
Hours & Minutes Calculator
Add or subtract multiple time durations. Perfect for tracking project or travel time.
Unix Timestamp Converter
Convert between Unix epoch timestamps and human-readable dates.
World Clock
Compare current time across multiple cities and time zones.
Sunrise Sunset Calculator
Find sunrise, sunset, and day length for any location and date.
Cron Schedule Generator
Build, validate, and understand cron expressions with a visual builder and execution forecast.