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Is the 3-day requirement for DTAC submission based on Thailand time or my departure country's time?

Apr 9, 2025
5 days ago
Mike ************
ORIGINAL POSTER
DTAC submission is only done 3 or less days before arrival.

Is 3 days Thailand time or departure country time ??
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TLDR : Answer Summary
The DTAC submission must be completed within 3 days of your arrival in Thailand, which is related to the arrival date in Thailand, not your departure country's local time. Travelers suggest ensuring that the submission aligns with the date calculations based on Thailand's timezone.
Thailand Digital Arrival Card (TDAC)
Francois ********
Will Airport officers assist passengers to complete

Tdac in case of system

Errors on 1may2025, T Y
Anna *********
It’s an Arrival document so it’s within 3 days of arriving in Thailand
Mike ************
ORIGINAL POSTER
I arrive from Canada on the 22nd, which means the 19th is 3 days,

but at 1pm on the 18th in Canada it is the 19th in Thailand
Brandon ************
TDAC not DTAC. The form only lets you use a date that goes 3 days into the future for your arrival date. So you can do that math.
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