+ /**
+ Class representing a time zone.
+
+ The representation is simply the offset, in seconds, from UTC.
+ */
+ class WXDLLIMPEXP_BASE TimeZone
+ {
+ public:
+ /// Constructor for a named time zone.
+ TimeZone(TZ tz);
+
+ /// Constructor for the given offset in seconds.
+ TimeZone(long offset = 0);
+
+ /// Create a time zone with the given offset in seconds.
+ static TimeZone Make(long offset);
+
+ /// Return the offset of this time zone from UTC, in seconds.
+ long GetOffset() const;
+ };
+
+ /**
+ Contains broken down date-time representation.
+
+ This struct is analogous to standard C <code>struct tm</code> and uses
+ the same, not always immediately obvious, conventions for its members:
+ notably its mon and mday fields count from 0 while yday counts from 1.
+ */
+ struct Tm
+ {
+ wxDateTime_t msec, ///< Number of milliseconds.
+ sec, ///< Seconds in 0..59 (60 with leap seconds) range.
+ min, ///< Minutes in 0..59 range.
+ hour, ///< Hours since midnight in 0..23 range.
+ mday, ///< Day of the month in 1..31 range.
+ yday; ///< Day of the year in 0..365 range.
+ Month mon; ///< Month, as an enumerated constant.
+ int year; ///< Year.
+
+ /**
+ Check if the given date/time is valid (in Gregorian calendar).
+
+ Return @false if the components don't correspond to a correct date.
+ */
+ bool IsValid() const;
+
+ /**
+ Return the week day corresponding to this date.
+
+ Unlike the other fields, the week day is not always available and
+ so must be accessed using this method as it is computed on demand
+ when it is called.
+ */
+ WeekDay GetWeekDay();
+ };
+
+