Script with last updated event

[Mr.D]

Hi,

How do I use the os.microtime() if I would want an event-script to react only if its between certain hours of the day?
For example:
Event-based script
now = os.microtime()
if now == between 2 o'clock and 4 o'clock then
grp.write(1/1/1)
end

BR,
Mr