# How to fix mangOH yellow date and time mismatch
**URL:** https://forum.legato.io/t/how-to-fix-mangoh-yellow-date-and-time-mismatch/7011
**Category:** Legato Application Framework
**Created:** [April 14, 2026, 12:31pm UTC](https://forum.legato.io/t/how-to-fix-mangoh-yellow-date-and-time-mismatch/7011 "2026-04-14T12:31:29Z")
**Posts on this page:** 2
**Page:** 1
### Author:  [@fsdabharati](https://forum.legato.io/u/fsdabharati)
#### Post date: [April 14, 2026, 12:31pm UTC](https://forum.legato.io/t/how-to-fix-mangoh-yellow-date-and-time-mismatch/7011/1 "2026-04-14T12:31:29Z")
Hello , I am getting some mTLS handshake with server application errors just due to wrong time and date by default in mangOH yellow. it is showing wrong date and time hence handshake is failing how to fix this. It is showing 6 January.
Jan 6 02:08:14 swi-mdm9x28-wp user.err Legato: =ERR= | modemDaemon[1716]/modemDaemon T=main | le\_mrc.c RetrySyncNetworkTimeHandler() 1781 | Unable to sync network time from the modem: result -6
Jan 6 02:08:18 swi-mdm9x28-wp authpriv.info dropbear[1976]: Child connection from 192.168.2.3:52552
Jan 6 02:08:19 swi-mdm9x28-wp authpriv.notice dropbear[1976]: Auth succeeded with blank password for ‘root’ from 192.168.2.3:52552
Jan 6 02:08:19 swi-mdm9x28-wp authpriv.warn dropbear[1983]: lastlog\_perform\_login: Couldn’t stat /var/log/lastlog: No such file or directory
Jan 6 02:08:19 swi-mdm9x28-wp authpriv.warn dropbear[1983]: lastlog\_openseek: /var/log/lastlog is not a file or directory!
Jan 6 02:08:22 swi-mdm9x28-wp user.warn Legato: -WRN- | configTree[1139]/framework T=main | safeRef.c le\_ref\_CreateRef() 537 | Safe reference map maximum references exceeded for refPathIteratorMap.
Jan 6 02:08:22 swi-mdm9x28-wp user.warn Legato: -WRN- | configTree[1139]/framework T=main | safeRef.c le\_ref\_CreateRef() 537 | Safe reference map maximum references exceeded for refIteratorMap.
Jan 6 02:08:22 swi-mdm9x28-wp user.warn Legato: -WRN- | configTree[1139]/framework T=main | safeRef.c le\_ref\_CreateRef() 537 | Safe reference map maximum references exceeded for refTimerSafeRefs.
root@swi-mdm9x28-wp:~#
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### Author:  [@jyijyi](https://forum.legato.io/u/jyijyi)
#### Post date: [April 14, 2026, 2:31pm UTC](https://forum.legato.io/t/how-to-fix-mangoh-yellow-date-and-time-mismatch/7011/2 "2026-04-14T14:31:30Z")
see if these thread help to set up the time:
> [@\[Fixed\] Time not updating when connected to cell network](https://forum.legato.io/t/fixed-time-not-updating-when-connected-to-cell-network/3317/2):
>
> Please check in AT command port that if the modem has update the network time after registered to the network. (+CTZU is for Automatic Time Zone Update) at+cclk? +cclk: “18/06/08,01:35:13+32” OK at+ctzu? +CTZU: 1 OK
> [@Automatic time sync](https://forum.legato.io/t/automatic-time-sync/5185/8):
>
> I don’t see problem, please see below: root@swi-mdm9x28-wp:~# date Thu Jan 1 08:08:44 +08 1970 root@swi-mdm9x28-wp:~# root@swi-mdm9x28-wp:~# /etc/init.d/ntpd\_time\_service start root@swi-mdm9x28-wp:~# root@swi-mdm9x28-wp:~# date Wed May 6 10:54:21 +08 2020 root@swi-mdm9x28-wp:~# root@swi-mdm9x28-wp:~# cm info Device: WP7607 IMEI: 359779081234565 IMEISV: 6 FSN: VN730485080103 [ 199.814…