Logic

[richard]

sumplight off time = sumplight on time + sumplight duration
if sumplight off time > 1440 then sumplight off time = sumplight off time - 1440 and set next day flag

...
then we have a flag (slf) that is 1 when sumplight is on else 0 and a next day flag (ndf) that is set to 1 when offtime overflows else 0
the ndf flag is cleared at midnight in you time routine , the chklight sub is called once every minute

chklight: check light subroutine
if slf=0 then
if count >= on time then
slf=1
offtime = count+duration
ndf=0
if offtime >1440 then
offtime=offtime -1440
ndf=1
endif
turn on light
endif

else
if ndf=1 then return
if count >= offtime then
slf=0
turn off light
endif
endif
return




return

[Scampy]

Richard, thanks for the input.

I've made one modification to include a > in the first line of the code I posted above and it's been running fine. But thanks as always for your contribution

Malcolm