osTimeMs vs synchronizedTimeMs

Answered

Elan Paul

May 09, 2025 12:24

Hello,

In the rest/v3/servers/{id}/info endpoint's response are two fields: osTimeMs and synchronizedTimeMs. What are the difference between these two fields? Specifically, what is synchronizedTimeMs being synced with?

Does this have any connection with whether the time is using the NTP protocol?

Thank you

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• 

  Norman

  • Network Optix team

  May 09, 2025 15:54

  Hi Elan Paul ,

  osTimeMs – Represents the current system time of the operating system in milliseconds since the epoch.

  synchronizedTimeMs – Indicates the current time synchronized with the VMS (Video Management System), also measured in milliseconds since the epoch.

  The value of synchronizedTimeMs is determined by the VMS configuration. When synchronized online, it relies on one of the time servers. If configured to synchronize with a specific server, the time may reflect either the OS system time or the time obtained from an NTP (Network Time Protocol) server the OS connects to.

  Best regards, 

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• 

  Elan Paul

  May 11, 2025 11:23

  Thank you Norman for the assistance.

  These times are both returned in UTC time or in some timezone related to the system?

  Additionally, we see there is  rest/v3/servers/{id}/timeZones to get supported timezones,  is there any way to know the timezone of the account or the server?

  Thank you,

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• 

  Norman

  • Network Optix team

  May 12, 2025 09:03

  Hi Elan Paul,

  Sure, you can use the following request: 

  https://localhost:7001/rest/v3/servers/this/runtimeInfo?_with=timeZoneId

  The output should be something like: 

  {
   "timeZoneId": "Europe/Amsterdam"
  }

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