Use this tag for any question related to keeping accurate time. Note there is a more specific "NTP" tag for questions related to that.
This is a catchall category. If you are aware of NTP and the question is about that, use ntp instead.
Questions tagged [timekeeping]
72 questions
55
votes
6 answers
Where does the Raspberry Pi get the time from?
I don't have to set the clock (besides the timezone) on the Raspberry Pi. Where is it getting the time from? About how accurate is it?
Scoop
- 2,679
- 7
- 27
- 25
3
votes
2 answers
Is there any way of synchronizing the system time with a numerical epoch timestamp?
When the raspberry turns on and it doesn't have an internet connection, the system time is wrong... On the context that I'm using the raspberry, it will not have any internet connection, but it will have access to the local network where it could…
raylight
- 133
- 3
1
vote
1 answer
Pi-Hole on Raspberry Pi 3 displays WRONG time
Excuse me Please:
I am finding Pi-Hole to be displaying traffic events 5 hours into the future.
i.e. current time: 1100, Pi-Hole Graph time: 1600.
Raspberry Pi screen displays correct time for EST that I live in.
As I have gone through every screen…
Ceyarrecks
- 11
- 2
0
votes
2 answers
Smallest interval that RPi can record
I was planning to determine light speed by myself(which is 3*10^8 m/s). I have kept 2 sensors, and I need to know the time interval as light strikes the sensors. It lies somewhere about 50nanoseconds. Is it possible to measure such a small…
Damodar Dahal
- 3
- 1