The system clock controls timekeeping on a computer. The Raspberry Pi does not have a system clock, although it [may be possible to use an external device](http://raspberrypi.stackexchange.com/questions/266/how-can-i-keep-system-time) to keep time.
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Keeping System Time Without Network
Is there a way to sync the clock with the internet (as easily done) upon one startup, then shutdown, move the computer to another place WITHOUT an internet connection, and get a reasonable time?
I'm ...
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2answers
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Could the raspberry pi be used for stimulus presentation in psychological experiments?
I am a cognitive psychologist / neuroscientist. In a lot of the experiments that I run I have participants - mostly undergrads - sit at a computer and respond to certain combinations of visual ...
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Configuring to read RTC at boot time
I have added an RTC to the I2C bus of the Raspberry Pi. If I follow the steps mentioned here (I am using the DS1307 RTC IC), I can run hwclock and read the time.
root@raspberrypi:~# modprobe ...
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How accurate is Raspberry Pi's timekeeping?
I realize that since Raspberry Pi doesn't have a real-time clock built in, some issues with accurate timekeeping may present themselves, even when persistence across reboots is not a requirement. This ...
3
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2answers
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System time coming through SSH?
I have a setup where my Pi is connected to power and to my router, and I then set up a connection with my laptop through SSH (a good setup for saving space, if you don't have a lot).
I fired up my Pi ...
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How can I keep system time?
I know that Raspberry Pi does not come with a system clock to save money. How can I keep system time though?
