h6. [[TerritoryManager]] h6(. » [[Territory SWI Calls|SWI Calls]] h6((. » [[Territory_DaylightRules]] h6(((. » Territory_DaylightRules 1 h2. Territory_DaylightRules 1 h5. (SWI &43063) |_<^{width:4em}. Entry | | |<^. R1 |<^. 1 (reason code) | |<^. R2 |<^. Timezone within territory | |<^. R3 |<^. Year | |<^. R4 |<^. Pointer to buffer to receive UTC 5-byte time for when DST starts | |<^. R5 |<^. Pointer to buffer to receive UTC 5-byte time for when DST ends | |_<^{width:4em}. Exit | | |/2<^. - |<^. Buffers updated and all registers preserved if suitable DST rule was found | |<^. Else, V set and R0 is error pointer | h4. Use This reason code is used to determine the start and end times for DST within a given year, as per [[Territory_DaylightSaving 5]]. h4. Notes This call is for internal use by TerritoryManager, for communication with territory modules. Application code should use [[Territory_DaylightSaving]] instead. h4. See also * [[Territory_DaylightRules]] * [[Territory_DaylightSaving]]