Chronology Lab

Interval converter

Translate days, hours, minutes, and seconds into a single value so schedules stay consistent across systems.

Convert intervals

Math

Form

Enter a combination of days, hours, minutes, and seconds. The converter totals the duration in seconds and summarizes your inputs.

Complete the form to see the result.

Why it helps

Tips

Share interval conversions in release docs, retro notes, or broadcast scripts. Keep `assets/data/time-tips.txt` handy for additional guidance on syncing across schedules.