remove 15 minutes from Reading timer
[IN:SUBTRACT_TIME_TIMER [SL:DATE_TIME 15 minutes ] [SL:TIMER_NAME Reading ] [SL:METHOD_TIMER timer ] ]
remove 15 minutes from Reading timer
[IN:SUBTRACT_TIME_TIMER [SL:DATE_TIME 15 minutes ] [SL:TIMER_NAME Reading ] [SL:METHOD_TIMER timer ] ]