# When can I ring?

Pick where you are and where they are. You will see their day beside yours, the hours when you are both awake, and a good time to ring.

We assume people are up from 7:00 to 22:00, and that 9:00 to 21:00 is a fair time for a call. Change it if they keep other hours.

## What this page does with your choices

Everything is worked out in your browser, from the time-zone data it already has. The two places go into the address, as short ids, so you can keep the link. Nothing is sent to us, and we never ask your browser where you are. If your device’s time zone matches a place in the list, we start from it.