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Answered2 months ago

Will I be denied entry to Thailand if I submitted my TDAC just 2 days before arrival?

THIM and TDAC notice
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George ********
asked Sep 12, 2026
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I submitted my TDAC 2 days before I’m supposed to arrive in Thailand but on the website it states that it needs to be submitted 3 days before, will I be denied entry?
Answer summary
The common consensus among community responses is that submitting your TDAC (Thailand Digital Arrival Card) 2 days before your arrival in Thailand is acceptable, as the submission window is within 3 days of arrival. Several users confirmed that even if forgotten, the TDAC can be completed upon arrival, with some doing so right at immigration without issues. Users suggest ensuring the TDAC is submitted before boarding the flight to avoid potential airline scrutiny, and to utilize the THIM app for easier processing.
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Chuck ********
Chuck ********
Albert ********
Albert ********
Its ok
John ******
John ******
Had no problem with the new app
PinkCroc*********
PinkCroc*********
They walk among us.
Za *******
Za *******
PinkCrocodile4869 unfortunately🤦‍♂️
David ******
David ******
No, And no there are TDAC machines at suverbumi airport .
Chuck ********
Chuck ********
If you use the THIM App, you can fill it out way in advance. THIM will then remind you to return to fill out the health certification within 72 hours of your arrival.

THIM also saves some of your information until next time. It is a great improvement once you go through the trouble of setting it up.
GentleG********
GentleG********
Chuck Conrad Can you post a link to the THIM app?
Chuck ********
Chuck ********
GentleGoose6420

It’s in google playstore and Apple app store. Search for Thim and avoid the decoys that cost money.
GentleG********
GentleG********
Chuck Conrad Got it! Thanks!!
Floyd ******
Floyd ******
Chuck Conrad I'm sure it'll be great as soon as I can get them to take my passport they don't like the pictures I sent
Chuck ********
Chuck ********
@Floyd *****
use another device to take a picture of your passport. And then use the THIM app to scan that picture. Let me know how it goes.

Also, the TDAC function can be used w/o creating a profile.
Mark ********
Mark ********
You will be caned upon entry!
Rick ****
Rick ****
I submitted it 2 days before. No one even asked or looked at it. When I was going through immigration, the IO didn’t even ask me anything. Not even the purpose of my stay. 🤷‍♂️
Dave ******
Dave ******
Has it been issued. Should be if you've filled it out properly. The 3 days requirement means within 3 days of arriving, not 3½ or 4.
Richard ********
Richard ********
My travel agent sends my digital arrival card in.
Richard ********
Richard ********
No you will not be denied entry.Fill it in within the 3days.Or at immigration.
Jerry *******
Jerry *******
It can be done at the airport before you get your passport stamped.
Stephen *****************
Stephen *****************
No
Keith *******
Keith *******
Up to 3 days before entry.
Andrew ***********
Andrew ***********
No. It's within the required 3 day window. You can even do it standing in line after you get off the plane. You'll be fine.
SpiritedD**********
SpiritedD**********
Read it

You can fill it out while standing in line at immigration

Lort
Maya ***********
Maya ***********
Steve
Neil ***********
Neil ***********
I just entered using the new THIM app.

You can fill it in weeks ahead BUT you must submit a medical notification 72 hours before entering.

Very easy.
Doc ********
Doc ********
I always do it 24 hours before I come to Thailand It's easy peasy 😁
Phil *******
Phil *******
Doh!
Kari *******
Kari *******
You can do your TDAC at Suvarnabhumi airport.

There is friendly staff there to help you if needed.
Kim *********
Kim *********
Kari Syrjä as a help to remember it's tdac and not dtac : Thailand Digital Arrival Card. Dtac would be something like Digital Thailand Arrival Card which is nonsense.
Kari *******
Kari *******
Kim Nielsen

Thanks Tim

I corrected my typo.

I know what TDAC stands for.

I assume everyone understood what I meant, though.

I'll try to be more careful next time🙏
Chris ********
Chris ********
Some people shouldn't be allowed out of their bedroom.
Richard ********
Richard ********
Just be aware that some airlines might not let you depart without a valid TDAC. It’s not the law but their discretion and as they hold the keys to the plane, save yourself the stress and get it done before checking in
Chuck ********
Chuck ********
Richard Hornby I can imagine that happening for an ETA, electronic travel approval, like the ones who needed to enter Australia or the US. But the TDAC is not due before the fight leaves, it is due prior to clearing immigration
Richard ********
Richard ********
Chuck, that might be the case but people have been asked to show their TDAC prior to boarding in home countries. I’m just advising people to lessen the stress and plan to complete it before travelling, response is normally no more than a few minutes, because the issuing of the TDAC does not confirm entry in Bangkok, it’s just a warning that you are coming and them acknowledging. A little bit like immigration offices and banks here, the rules applied are the ones decided on by the person in charge of that branch 😎
Hai *****
Hai *****
Richard Hornby

Sometimes when I am feeling lazy..... I pretend to be illiterate and get the SQ check-in counter to do it for me.

Being a senior citizen has its advantages.
Luc ************
Luc ************
This must be a joke 🤔🙈😅🤡
Steven ************
Steven ************
Holy shit
Chris ******
Chris ******
Haha no.
Tommy ***********
Tommy ***********
Nope you can do it op to 73 hours bifor ariwal
Sean *********
Sean *********
Fill it in on thr this app
Kevin ***********
Kevin ***********
OMG
Petrov ********
Petrov ********
You can use on machine on airport also if do not have phone or internet.
Bob ******
Bob ******
Yes
Wannikea *********
Wannikea *********
Submit anytime within 72 hours of arrival.
Frankie *******
Frankie *******
No anytime between 3 days up to he day u depart n can apply.u can even a apply once u arrive before immigration entry
Will *****
Will *****
WITHIN 72 HOURS OF ARRIVAL. THATS YOUR WINDOW
Alan **********
Alan **********
No you won’t
Gordon *********
Gordon *********
A family of 4 were in line in front of me at immigration. They hadn't filled in a TDAC. They were told to leave the queue and complete it online or at one of the terminals.
Optimist*********
Optimist*********
I submitted mine less than 12 hours and it was fine. Just make sure you capture the screenshot in case they asked for it.
เดวิด ***********
เดวิด ***********
Omg it’s 3 days before departure or 72 hrs before departure,how hard is to work out,and also it comes back within seconds of submitting it with or code

Why are people so damm stupid these days
Stephen *********
Stephen *********
เดวิด เพียร์สัน David Pearson
Marianne ********
Marianne ********
เดวิด เพียร์สัน no.

It's within 72 hours of estimated arrival.

Not 72 hours before.
เดวิด ***********
เดวิด ***********
Marianne Holmen I live in Thailand and it’s 3 days before departure or 72 hrs on time difference,simple as that or fill in when landing
Rud **********
Rud **********
เดวิด เพียร์สัน Young man , you need to know the difference between Arrival and departure first .. Whether you live in Thailand or the North Pole doesnt make a difference.. Marianne is 100% correct 😉
CleverM********
CleverM********
Read
Tony *******
Tony *******
You’re good. Even if you forgot you can do it when you arrive ( takes a few minutes ) although I don’t recommend that. After a long flight you don’t wanna have to deal with it
Floyd ******
Floyd ******
Has anybody else had trouble doing that on the new app I tried multiple times using that app and they wanted me to photograph my passport but they never accepted the photograph that I sent so I ended up having to go back to the government site and did it on there took me all 3 minutes
Gary *******
Gary *******
@Floyd *****
the app was bad it wouldn't accept my passport at first then said I was Scottish after it scanned my passport cheeky fooker lol so deleted it and re submitted it now all good tske picture in good light so no glare from plastic cover over picture page then scan back of passport ect you should be good to go 👍🏻
Floyd ******
Floyd ******
Gary Darby thank you I'll try that
Richard ********
Richard ********
Can you do it weeks before ?
Charmae *******
Charmae *******
Richard Jewell no
เดวิด ***********
เดวิด ***********
Richard Jewell no
Andy ***********
Andy ***********
Richard Jewell in the Thim App you can
Brandon ************
Brandon ************
@Andy **********
you cannot submit it early. The app just holds it for you but you still have to go back in within 3 days of arrival to complete and submit it
Gregg *******
Gregg *******
Andy Guenthoer but you still have to answer the health question within 72 hours of travelling.
Daryl *****
Daryl *****
Richard Jewell no. Only Within 3 days of arrival ! System won’t allow
Rune ********
Rune ********
Richard Jewell no! Not earlier than 72 hours before arrival!
Brandon ************
Brandon ************
@Richard *******
No. Within 3 days.
Gerry *******
Gerry *******
No
Lynnette *******
Lynnette *******
3-2-1 or zero days of landing. If you filled it in and it confirmed, then it's done.
Micah ********
Micah ********
Within* 3 days. You could do it in line for immigration in Thailand, you just can't submit earlier than 3 days before arrival.
D.M. *********
D.M. *********
You're good. I literally did mine when my flight arrived bc I forgot.
Brandon ************
Brandon ************
The website doesn't say that. It says you can only submit within 3 days of arrival. You can do it when you're standing in line at the airport if you want.
Ken *******************
Ken *******************
@Brandon ***********
literacy is very important. Side effects for skipping classes lol
James *******
James *******
Ken The Buffalo Guy It's about comprehension
Floyd ******
Floyd ******
@Brandon ***********
there was a guy laying on the floor at immigration feeling his out I thought he passed out down there

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