quick answers

12-Hour to 24-Hour Work Time Converter

Convert common work times between 12-hour and 24-hour formats. This is a free calculator built for quick repeat checks on mobile and desktop.

Advice for this situation

This helps when rotas, messages, payroll sheets, and scheduling systems all describe the same time in different formats. Quick time-conversion pages are most useful when you need an answer fast for timesheets, payroll prep, rota messages, or a quick check before you confirm hours with a manager.

A simple format conversion mistake can cascade into a wrong shift length, handover, or payroll entry. Always check your employer rounding rule, because a payroll system may round to the nearest 5, 6, or 15 minutes rather than keeping exact minute values.

UK guidance on this page is a practical planning layer, not legal advice. If the answer affects pay, dismissal, leave entitlement, or a formal workplace process, verify it against the contract, policy, collective rule, or official guidance that applies to your role.

  • Conversion errors are common when midnight and noon are involved, so use a clean converter rather than guess.
  • Mixed-format rotas are easier to audit when both versions are shown together.
  • This is especially useful when one team uses clock time and another uses spreadsheet-friendly notation.

What you can enter

  • Time to convert

Example uses

  • Shift handover time - Useful when rotas use mixed formats.

Frequently asked questions

  • Does this convert both ways? Yes. The result shows both 24-hour and 12-hour views.

Related calculators

Minutes to Decimal Hours Converter Convert minutes into decimal-hour values for timesheets and payroll. Decimal Hours to Hours and Minutes Converter Convert decimal hours into hours-and-minutes format. Hours Between Times Calculator A quick, simple start-to-finish calculator with optional break deduction.