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Which time zone should I pick for a site?

What the site time zone controls, how to choose it, and what happens if you change it after data arrives.

Getting started1 min readLast updated Oct 28, 2026TapCub teamPart of Add a website, app or mini-program

Short answer

Pick the time zone your team reads reports in. It decides where every report cuts “today” at midnight and when monthly quotas reset on the 1st. You can change it later, but rows already stored are not rewritten.

What the time zone controls

You set a time zone when you create a site. It does two things:

  • Cuts the day. Every report splits "today", "yesterday" and each daily bar at midnight in this zone.
  • Resets quotas. The monthly event and conversation counters reset at 00:00 on the 1st in this zone — see when quotas reset.

Pick the zone your team actually reads reports in, so "today" matches the day your team is having.

Changing it later

You can change the time zone after data arrives, but it only affects how new rows are bucketed. Rows already stored keep the day boundary they were counted under, so a day or two around the change may look slightly off.

The privacy preset works the same way: changing balanced ↔ strict later does not rewrite stored rows. Decide both before you send real traffic if you can — see the cookieless guide.

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