Specific Days Of The Week, Month and YearWith this calculator you can determine on what date a specific day of the week occurs, for instance the third Sunday of April on or after the 15th.
The calculator doesn't check the sanity of the input, so entering data should be done carefully. Current years are 4-digit numbers, not 2 digit numbers. The calculator only works for the Gregorian calendar, which is used in most parts of the Western world.
The second Monday of August on/after the 15th, etc.
One of the applications of the calculator presented above, is figuring out on which date a daylight saving transition (winter time <-> summer time) occurs. Worldwide there are many different DST (daylight saving time) rules in effect. Below an example of two DST rules, calculated with the same functions that form the basis of the calculator above.
DST Calculations For Specific Date Information
Some non-ECMAScipt compliant browsers will give an error on loading but will generally recover for correct operation. This calculator provides the ability to find the Nth occurance of a day during a year. It is VITAL for the correct ability to find DST information worldwide. View the source code.