# Run NTP with PTP as reference clocks

**URL:** <https://community.nwtime.org/t/run-ntp-with-ptp-as-reference-clocks/68>\
**Category:** Documentation\
**Created:** [January 28, 2026, 3:27pm UTC](https://community.nwtime.org/t/run-ntp-with-ptp-as-reference-clocks/68 "2026-01-28T15:27:53Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Dru](https://sea1.discourse-cdn.com/flex001/user_avatar/community.nwtime.org/dru/32/337_2.png) [@Dru](https://community.nwtime.org/u/Dru)\
**Post date:** [January 28, 2026, 3:27pm UTC](https://community.nwtime.org/t/run-ntp-with-ptp-as-reference-clocks/68/1 "2026-01-28T15:27:53Z")

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> **[timemaster(8): run NTP with PTP as reference clocks](https://linuxptp.nwtime.org/documentation/timemaster/)**
>
> Linux PTP man page for timemaster, a program used to synchronize the system clock to NTP and PTP time sources.