Date & Time
Timestamps, timezones, cron, countdowns.
7 tools · all run in your browser
- Countdown TimerCount down to any date and time, second by second. Add a label and share the URL — everything lives in the link, no login required.
- Date Duration CalculatorAdd or subtract any combination of years, months, weeks, days, hours, minutes, or seconds from a date. Chain multiple adjustments.
- Date Format ConverterConvert any date into 12+ common formats: ISO 8601, RFC 2822, US MM/DD/YYYY, EU DD/MM/YYYY, Unix timestamps, and human-friendly.
- Time Zone ConverterConvert a time between any IANA time zones. See offsets, live now, and multiple destinations at once. Great for global teams and meeting planning.
- Unix Timestamp ConverterConvert Unix timestamps (seconds or milliseconds) to human-readable dates in every common format. Includes ISO 8601, UTC, relative time, ISO week.
- Weekday FinderFind the day of the week for any date, past or future. Also shows ISO week number, day of year, quarter, and leap-year status.
- Working Days CalculatorCount business days between two dates, excluding weekends and custom holiday dates. Great for project planning and payroll estimation.