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Google Campaign Manager • Time Zone problem

Google Campaign Manager • Time Zone problem


Wojtek Andrzejczak
Wojtek Andrzejczak
Google Campaign Manager • Time Zone problem

Google Campaign Manager for all new accounts sets the default time zone as New Your -5/-4h. If affects all start and end dates in all our campaigns.

Google Campaign Manager

This setting is the cause why we sometimes (a special short duration campaigns) see discrepancies between delivered impressions and clicks and what our Publisher is sending us in the reports. It also is the cause of delivering the Default Ads, instead of standard ads/creatives.

Example campaign

In our example, I’ve created a test campaign where I’ve set start and end campaign at exactly midnight (12:00 AM). When you click on the “cod icon,” you will see the modal window to change your time zone.

Change the Time Zone

Before the change of the local timezone
Before the change of the local timezone

We can change the time zone from New York to Berlin or Zurich (yes, without “ü”).

How to change time zone
How to change the time zone

After the selection of our new expected time zone, we’ll face a message.

Confirm change of the time zone
Confirm change of the time zone

After a successful change, you will notice change of the start and end times by the difference between New Your and our time zone. In our case, the difference might be from 6 to 7 hours depends on summer/winter time.

Google Campaign Manager, before the change of the timezone
After the change of the local timezone

Final result

As you can see us, the campaign will start delivering Default Ads by the first 6 hours instead of Standard ad. After this time we’ll start delivering it.

Time Zone: but how does it work?

Google Campaign Manager starts delivery with UTC+0 time. Time Zone setting helps users to set proper times without constant recalculating them when we would like to save it. This setting helps Google Ad server synchronize the start and end time of the delivery for the designated area by applying the time zone offset.

Avoid problems

If you live in Switzerland, and you want to deliver ads only to Switzerland users. Keep Zürich’s time zone in the Google Campaign Manager settings. But if you want periodically deliver a campaign to Canada, Ireland, China, Always verify the time zone to avoid issues.


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