Daylight Saving Time

[Kseidel]

Gentlemen, I need some help. I am looking for any particular information or type of code ( a boolean hopefully) that will allow me to determine if a particular date that has occurred, occurred during daylight saving time. Google is not much help honestly so I was hoping someone on this board may have run into this before, or something I may have missed on a reference site. Thank-you to anyone who can help.

[MiiNiPaa]

Just calculate time of start and end of DST in the year of unterest ant check if the particular date is between two time points.

[KunjeeB]

Does your environment allow for use of CTime?

[Zaita]

http://en.wikipedia.org/wiki/Tz_database
This is a good start as you'll need this information per time-zone to determine when Daylight savings occurred.