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Calculate age, days between dates, or a date after adding or subtracting a period.
ProductivityChoose Age, Days Between or Add/Subtract mode.
Enter the relevant dates and, for date arithmetic, amount, unit and direction.
Read the automatically updated result.
Found incorrect guidance or a result? Send the team steps and a non-sensitive example.
Convert year numbers between Buddhist Era and Common Era using a 543-year offset.
Calculate calendar age for a birth date and chosen reference date.
Check a Thai ID number's format and checksum without verifying its owner or issuance.
Set minutes and seconds for a countdown with start, pause and reset controls.
Generate a password with a chosen length and selected character groups.
Compare current times for the fixed set of cities displayed by the tool.