Hi, i am trying to measure time, here is my code unsigned long startTime = millis(); later... unsigned long currentTime = millis(); unsigned long elapsedTime = currentTime - startTime; How can I format millis into a 24 hour display?Should I use RTC? THANKS!

How to print millis in [hh:mm:ss] format?

system May 5, 2014, 5:03pm 18

maybe not using random neurons will help you to understand not quoted sentences
or you write "random" without knowing what it is ?

Topic		Replies	Views
Re: need help is this right Frequently-Asked Questions	2	1123	May 6, 2021
Possible to print millis in [HH:MM:SS] format? Syntax & Programs	22	26707	May 6, 2021
Arduino clock accuracy Interfacing	5	17684	May 6, 2021
RTC (DS1307 or other) with millisecond resolution Networking, Protocols, and Devices	16	40124	May 6, 2021
Arduino timer - convert millis() to days:hours:min Syntax & Programs	4	99867	May 6, 2021