Pattaya Tools
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Pattaya Tools · methodology

Check the method. Then the number.

Prices and exchange rates come from your inputs; example values are fictional. Each calculator separates official rules, your quotes and the formula connecting them. Sources retain their actual review dates below. When a rule is unclear or a tariff is unverified, the affected conclusion stays unavailable.

Formulas you can check · Source dates beside each tool.

What is an example?

Example buttons fill fictional numbers to demonstrate arithmetic. They do not assert a local rent, exchange rate, hotel price, legal deposit limit or expected return. You supply current quotes and the dates on your documents.

What is held?

The baht-bus route tariff has not been verified from an official operator or regulator source in this review. Online reporting cut-offs, first-report eligibility and holiday handling are not calculated. Sunrise and sunset times are calculated from NOAA’s solar equations, not observed. No tide table, visa route finder or current city price database is published.

Dates and precision.

Date differences use UTC calendar dates. Inclusive spans add one day; nights and overstay gaps do not. Outputs round money for display. Bill splitting works in whole satang and explicitly allocates any remainder.

Corrections and funding disclosures.

This revision contains no paid placements, affiliate links or lead forms. A rule is changed only when a source supports that specific use. Conflicting sources are described rather than averaged into a new rule.

Primary references & check dates

Krungsri official fee schedule, page 8

Open primary source

Krungsri foreign-issued Mastercard withdrawal fee is THB350; Visa is THB250 per transaction in the schedule effective 11 March 2026.
Accessed 2026-10-23T17:06:54+07:00 (Bangkok). Source date: 2026-03-11. Recheck by 2026-11-23.
No universal Thailand-bank fee asserted.

Royal Thai Embassy, Canberra: overstay regulations

Open primary source

Standard monetary overstay estimate uses THB500 per day with a THB20000 cap; it cannot predict immigration penalties or waivers.
Accessed 2026-10-23T17:06:54+07:00 (Bangkok). Source date: 2023-04-11. Recheck by 2026-11-23.
Individual exceptions and enforcement are not calculated.

BOI: Thailand Immigration Regulations, reporting slide

Open primary source

General 90-day reporting window is 15 days before to 7 days after the due date. This is not the online cut-off.
Accessed 2026-10-23T17:06:54+07:00 (Bangkok). Source date: undated slide deck. Recheck by 2026-11-23.
Online filing has separate rules; do not use general late window for online.

Royal Thai Embassy, Moscow: online reporting conditions

Open primary source

Reporting does not extend permission to stay. Older embassy online guidance uses an earlier cut-off than the general in-person window.
Accessed 2026-10-23T17:06:54+07:00 (Bangkok). Source date: 2022-11-30. Recheck by 2026-11-23.
Older online cut-off not promoted as current; online deadline held pending portal confirmation.

Bank of Thailand: daily foreign exchange rates

Open primary source

Bank of Thailand publishes daily foreign exchange reference data. No live rate is imported or implied by this site.
Accessed 2026-10-23T17:06:54+07:00 (Bangkok). Source date: daily series; no value copied. Recheck by 2026-11-23.
User must supply their offered rate; no current rate asserted.

MDN: Date.UTC

Open primary source

The implementation uses UTC date arithmetic for calendar differences, avoiding local daylight-saving offsets.
Accessed 2026-10-23T17:06:54+07:00 (Bangkok). Source date: current documentation. Recheck by 2027-10-23.
None; inclusive vs exclusive counting is stated by each tool.

NIST: SI energy units

Open primary source

Kilowatt-hour is an energy unit; appliance energy is power in kW multiplied by hours. User supplies their billed rate.
Accessed 2026-10-23T17:06:54+07:00 (Bangkok). Source date: SI reference. Recheck by 2027-10-23.
No official utility bill forecast, tax or tier schedule asserted.

NOAA Global Monitoring Laboratory: Solar Calculation Details

Open primary source

NOAA’s sunrise and sunset calculations use equations from Meeus, Astronomical Algorithms, with 0.833° of atmospheric refraction; results are theoretically accurate to within a minute between ±72° latitude.
Accessed 2026-10-24T03:40:28+07:00 (Bangkok). Source date: undated page; NOAA notes the calculator is no longer actively maintained. Recheck by 2027-10-24.
Observed times can differ from calculated ones with atmospheric conditions; third-party Pattaya tables use other coordinates and rounding.

Read who is responsible for the tool scope and use the glossary for definitions before interpreting a result.