How to execute Loop at certain intervals or period in 24 hrs ?

Using Arduino Programming Questions
#1

Hello
Basically i would like to know the code on how to water my plants about 3 times a day at certain intervals/ period of about 4-6 hours? Should i use a RTC ?

#2

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#3

If your plants do not have a sense of minutes and seconds then you do not need an RTC IMHO :slight_smile:

#4