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How to update date and Time in Raspberry Pi

sameermp
sameermp over 7 years ago

I have purchased a Raspberry Pi 3 model B in August 2017. I am unable to set up Date and Time. Every time I turn on the hardware, It shows date - 12 April  2017.

I have tried setting it up with  Sudo raspi-config but could not do it.

Please guide me on the procedure.

Thanks.

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  • aswinvenu
    0 aswinvenu over 5 years ago

    Hi Sameer,

     

      Raspberry Pi doesn't have an RTC ( Real time clock) built in to the board due to multiple reasons. Instead they update the time through network using NTP (Network Time Protocol ). But in your case if Pi is not connected to internet then it is not possible for RPi to update the date and time after the reboot.

      Linux Kernel supports RTCs through SPI and I2C buses. So one option for you is to add an external RTC with a battery Attached. RTCs needs to be powered to keep the time and date upto date ( Generally using a dedicated button cell 2032).

    For example you can use DS1307 based solution.

     

    Please take a look this blog post on adding RTC to Rpi.

    https://learn.adafruit.com/adding-a-real-time-clock-to-raspberry-pi

    You can buy it from here:

    https://in.element14.com/adafruit-industries/264/rtc-breakout-board-kit-ds1307/dp/2215027?ost=DS1307+board

     

    Hope this helps.

    Regards,

    Aswin

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  • aswinvenu
    0 aswinvenu over 5 years ago

    Hi Sameer,

     

      Raspberry Pi doesn't have an RTC ( Real time clock) built in to the board due to multiple reasons. Instead they update the time through network using NTP (Network Time Protocol ). But in your case if Pi is not connected to internet then it is not possible for RPi to update the date and time after the reboot.

      Linux Kernel supports RTCs through SPI and I2C buses. So one option for you is to add an external RTC with a battery Attached. RTCs needs to be powered to keep the time and date upto date ( Generally using a dedicated button cell 2032).

    For example you can use DS1307 based solution.

     

    Please take a look this blog post on adding RTC to Rpi.

    https://learn.adafruit.com/adding-a-real-time-clock-to-raspberry-pi

    You can buy it from here:

    https://in.element14.com/adafruit-industries/264/rtc-breakout-board-kit-ds1307/dp/2215027?ost=DS1307+board

     

    Hope this helps.

    Regards,

    Aswin

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