Changing Facebook Ad Account Timezone During Campaigns

Yes, I’ve noticed similar changes after switching the ad account timezone. The spend distribution can shift, especially around the daily budget reset. But it’s hard to tell whether timezone was the direct cause without a controlled test.
 
Changing an ad account timezone alters Meta's 24-hour daily budget pacing algorithm, causing temporary spend spikes or delivery stalls while the system recalibrates. If this issue persists or disrupts your campaign stability, switching to an agency structure avoids these constraints entirely.
 
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