https://devzone.nordicsemi.com/f/nordic-q-a/114491/adding-timestamp-to-data-saved-using-littlefsHello, For context, I am using an EVK-ANNA-B112 development board which has an nRF52832 inside. The development board has an external 32.768KHz HW clock connected to the XL_1 and XL_2 pins. I use this external clock for timing UART and enable this usingen-USTelligent Community 13Wed, 11 Sep 2024 21:44:45 GMThttps://devzone.nordicsemi.com/thread/502199?ContentTypeID=1Wed, 11 Sep 2024 21:44:45 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e1a44a99-5d7e-4f78-b501-7ff758dd6e14Crisvin_K<p>Hello Sigurd,</p> <p></p> <p>Based on this, for my board the best option was to do a time sync with the CTS service and count time from the sync with k_uptime_get().&nbsp;</p> <p></p> <p>Thank you for the recommendation!</p> <p>Crisvin K.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/501330?ContentTypeID=1Thu, 05 Sep 2024 10:54:26 GMT137ad170-7792-4731-bb38-c0d22fbe4515:c8641eb1-79c9-42e0-9038-74fa58129751Sigurd Hellesvik<p>Hi,</p> <p>I recommend having a look at Zephyrs docs about <a href="https://docs.zephyrproject.org/latest/kernel/timeutil.html">Time Utilities</a>. <br />Also, searching through zephyr samples I find this:</p> <p><img style="max-height:240px;max-width:320px;" src="https://devzone.nordicsemi.com/resized-image/__size/640x480/__key/communityserver-discussions-components-files/4/pastedimage1725533639319v3.png" alt=" " /></p> <p>(We got zephyr samples available in NCS too).</p> <p>Try this sample and see if it does what you need.</p> <p>Regards,<br />Sigurd Hellesvik</p><div style="clear:both;"></div>