Use the afternoon tool

Compare afternoon hours across places and avoid date-boundary mistakes.

What afternoon.by is for

The name emphasizes a deadline: always state what must happen by that time.

Keep the date and time zone visible

A clock reading or duration can cross midnight. Include the calendar date, UTC offset and named time zone whenever a result will be shared.

Check the result before sharing

Confirm the calendar date, local clock time, UTC offset and named time zone so another person can reproduce the same result.