Time Tools

Convert Unix timestamps to readable dates.

Convert dates into Unix timestamps.

Validate Unix timestamps and detect seconds vs milliseconds.

Calculate difference in days, months, and years.

Add or subtract days from a date.

Calculate age from a birth date.

Count days between two dates.

Count working days excluding weekends.

Find the ISO week number for a date.

Check if a year is a leap year.

Convert time between time zones.

Convert between UTC and local time.

Format dates in ISO 8601.

Convert dates between common formats.

Generate a countdown to a target time.

Generate relative time like “3 days ago”.

Generate a calendar for a month.

Calculate quarter (Q1–Q4) for a date.

Calculate fiscal year based on a start month.

Calculate duration between two times.

Count business days with optional holidays.

Split a date range by day, week, or month.

Explain cron expressions in plain English.

Generate cron expressions from human input.

Find overlapping hours between time zones.

Generate recurring dates (weekly, monthly, etc.).

Get quarter start/end dates for a fiscal year.

Calculate rotating shift schedules.

Calculate duration within working hours.

Find missing dates in a range.

Round time to nearest interval.

Convert a list of timestamps to dates.

Convert ISO week to calendar dates.

Detect daylight saving time changes.

Resolve abbreviations like EST vs EDT.

Calculate SLA deadlines within business hours.

Calculate age at a specific date.

Merge overlapping date ranges.

Find the 3rd Friday (etc.) of a month.

Detect and normalize date formats.