Time Calculators

Convert decimal hours to hours, minutes and seconds with step-by-step breakdown, multiple output formats, and visual time representation.

Calculate the exact time duration between two times or dates. Get results in multiple formats including hours, minutes, seconds, work hours, and visual timeline representation.

Convert time in hours, minutes, and seconds to decimal format for payroll, billing, and timesheet calculations. Features visual clock dial, step-by-step breakdown, and copy functionality.

Convert Unix timestamp to human-readable date/time or convert date/time to Unix timestamp. Features live clock, multiple timezone support, and various date formats.

Calculate your weekly work hours with visual analytics, overtime tracking, break management, and printable timesheet. Track daily totals, weekly summary, monthly estimates, and hourly pay calculations.

Set alarms with customizable sounds directly in the browser — no app install required. Supports multiple alarms, snooze, and a beautiful live clock display.

Calculate weekly work hours from daily clock-in and clock-out times with automatic overtime detection, break deductions, and a printable timesheet summary.

Set customizable countdown timers for any duration with audio alerts, animated circular progress, preset quick-start options, and fullscreen mode.

Add and subtract hours, minutes, and seconds with a multi-row timesheet calculator. Perfect for payroll, project tracking, invoicing, and time management with decimal hours conversion.

Professional digital stopwatch with lap timing, split times, visual lap comparison, keyboard shortcuts, and exportable results for sports, cooking, and productivity.

Convert times between any world time zones with DST-aware calculations, multi-city comparison, visual time bars, and meeting planner to find overlapping business hours.

Instantly convert between 12-hour (AM/PM) and 24-hour (military) time formats with an interactive clock visualization and complete reference chart.