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Answered3 months ago

When can I fill out the TDAC if I arrive in Thailand on August 1?

THIM and TDAC notice
Need a clearer THIM and TDAC explanation? Read the THIM guide on thim.in.th.
Sofia **********
asked Jul 14, 2026
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Sorry for the question: if i arrive in Thailand August 1, when i can fill the TDAC? FRom 29 July, right? Thank you and sorry.
Answer summary
You can fill out the TDAC starting from July 29 at 00:00 AM Thai time, which is 72 hours before your arrival date of August 1. Depending on your time zone, it might be possible to fill it out even earlier. Some users have mentioned that you can complete the TDAC at the airport or use the THIM app for reminders about the health declaration.
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Toni **********
Toni **********
Omg
Nick *********
Nick *********
To save any confusion and stress, in your life.

Do the declaration on
****
.
Ryan *********
Ryan *********
You can fill it even at the airport
Fascinatin**********
Fascinatin**********
When you go on the site if will show you the earliest day you can fill it out if you add details first 🥰
Chris *********************
Chris *********************
I think this is a piss take
Stuart *********
Stuart *********
Download the THIM app. Fill in the details for your trip and the system will remind you within 3 days to complete the health declaration.
Paul ********
Paul ********
@Stuart ********
lol if I could get it to work I would

Hopefully by October they will have when it properly goes live
Stuart *********
Stuart *********
Not sure the issue. I tried it and it worked flawlessly. I’ve read some comments from people that have had issues but can’t replicate them from my end.
Luc ************
Luc ************
@Stuart ********
correct. Much easier now.
Mike **********
Mike **********
From 29 July 00:00am Thai time you can select August 1 for arrival in TDAC. Depending on your time zone it's even earlier possible.
Sofia **********
Sofia **********
OP
Mike Blueeyes thanks.
Lars-Göran ************
Lars-Göran ************
Between 72 and 0 hours before arrival. You won't be able to fill it in earlier.
Sofia **********
Sofia **********
OP
Lars-Göran Ingvarsson i know, but can you tell me the day? Thanks.
Wayne *********
Wayne *********
Sofia Stoyanov wed 29th
Bruce ***********
Bruce ***********
Yes if just a tourist. I believe 72 hours.
Graham ******
Graham ******
Bruce Macdonald not just a tourist, anyone without a Thai passport regardless of their visa status
Sofia **********
Sofia **********
OP
Bruce Macdonald i know, but can you tell me the day? Thanks.
Wayne *********
Wayne *********
Sofia Stoyanov download the Thim app can do your TDAC info now and it reminds you to complete the health declaration within the 72 hours. Why wait :)

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