Summer time - Winter time

[Former Member]

Hi,

is possible in SAP samehow determine by abap code when the change from summer to winter time and vice versa occurs ?

Thanks.

Marian

[Former Member]

Try checking sy-dayst.

Rob

[RichHeilman]

Do you mean, daylight savings time?

Regards,

Rich Heilman

[Former Member]

Try checking sy-dayst.

Rob

[RichHeilman]

That's interesting, in my system sy-dayst is not set to "X". I know that our time is set from the OS level, maybe that is the reason.

Regards,

Rich Heilman

[Former Member]

Hi,

thanks. It is a little help.

However I need to determine a date when a time is changed.

Is it possible ?

Thanks for any help.

Marian

[Former Member]

Hi,

any FM available ?

Thanks.

Marian

[Former Member]

That's odd; however, it's set to 'X' in ours.

Rob

[sridhar_k1]

Fm: TZON_INTERNAL_TO_IETF gives begin of standard and daylight date/time in an itab for a given time zone and year.

Regards

Sridhar

[suresh_datti]

The following works for US daylight savings..

*&---------------------------------------------------------------------*
*& Report  ZDAYLIGHT                                                   *
*&                                                                     *
*&---------------------------------------------------------------------*
*&                                                                     *
*&                                                                     *
*&---------------------------------------------------------------------*

report  zdaylight                               .


data: w_winter_start type sydatum,
      w_summer_start type sydatum,
      w_day like dtresr-weekday.

parameters: p_date like sy-datum default sy-datum.

concatenate p_date+0(4) '0401' into w_summer_start.

do.
  call function 'DATE_TO_DAY'
    exporting
      date    = w_summer_start
    importing
      weekday = w_day.

  translate w_day to upper case.
  if w_day eq 'SUNDAY'.
    exit.
  else.
    w_summer_start = w_summer_start + 1.
  endif.
enddo.
concatenate p_date+0(4) '1031' into w_winter_start.
do.
  call function 'DATE_TO_DAY'
    exporting
      date    = w_winter_start
    importing
      weekday = w_day.

  translate w_day to upper case.
  if w_day eq 'SUNDAY'.
    exit.
  else.
    w_winter_start  = w_winter_start - 1.
  endif.
enddo.

write: / 'Summer Starts on:', w_summer_start, '&',
         'Winter Starts on:', w_winter_start.

~Suresh