set alarm for 30 minutes for the next 4 hours
agley 4 ghante tak 30 minute ke liye alarm set kare
[IN:UNSUPPORTED_ALARM set alarm [SL:DATE_TIME for 30 minutes ] [SL:DATE_TIME for the next 4 hours ] ]
[IN:UNSUPPORTED_ALARM [SL:DATE_TIME agley 4 ghante tak ] [SL:DATE_TIME 30 minute ke liye ] alarm set kare ]