File in the days just before you land.
The window is short and counted back from your arrival date in Thailand. Enter that date to see a plan.
Guide 04 of 06Last checked against official sources: See sources
Date planner
Work out your dates
This runs in your browser. The date isn't sent or saved anywhere, and this isn't a filing.
Why we say "start trying"
Official pages use slightly different words.
None of them gives a worked example. Read together, three days before arrival is the earliest day that fits these sources, and the FAQ is clear that the arrival date itself still counts.
Counting "including the arrival date" strictly could make the window open a day later, so try again the next day if the form refuses your date.
What we couldn't test: the form sits behind a human-verification check, which we didn't try to bypass, so we haven't confirmed which dates its calendar accepts. The form is the final word for your trip.
| Where | What it says |
|---|---|
| Portal FAQ FAQ | Within 3 days in advance, including the arrival date. Elsewhere, up to 72 hours before entry. |
| Portal notice Portal | Information must be submitted "3 days in advance". |
| Embassy, Kuala Lumpur Embassy, Kuala Lumpur | Within three days before the intended date of travel. |
| Consulate, Hong Kong Consulate, Hong Kong | Submission can begin up to three days before arrival. |
| Press report Khaosod English | Officials recommend registering "at least three days in advance". This is a news report, not an official page. |
Awkward timing, worked through
The situations that trip travellers up
Your flight lands after midnight
Count from the date you land in Thailand, in Thai time. A flight leaving on the 9th that lands at 01:00 on the 10th has an arrival date of the 10th.
Your flight is delayed or rebooked
Update your card before you enter Thailand, or submit a new one. The most recent valid submission is the one that counts. FAQ
You're leaving in a hurry
You can file on arrival day, and the FAQ says kiosks and Wi-Fi are provided. FAQ Embassy guidance still advises filing before you depart Embassy, Kuala Lumpur, and one consulate calls on-arrival help exceptional. Consulate, Hong Kong
You're coming back mid-trip
Each card is good for one entry, so a side trip to a neighbouring country needs a new card for your return. FAQ
You're staying over 90 days
That's a separate duty. The portal reminds foreigners staying longer than 90 days to notify immigration every 90 days. Portal
You'd like a reminder
The system doesn't send any, so set your own for three days before you land. FAQ