Checks sensor at a particular time using RTC

Hi,
I have a water level sensor and gsm module connected to my Arduino. What I want is that every 3 o’clock pm it checks my water sensor and sends me an sms of the status as well status on blynk app. Anyone knows how to do that? Thanks

Once you have RTC widget and have the correct time showing, then you just call the following:

if(hour() == 15 && second() == 0){
  // its 3pm
}

Or if you dont want perfect accuracy then just deepsleep(10000006024) for 24 hours

Thanks a lot