Matter Survey

Community-driven database of Matter device capabilities

Clusters » Time Synchronization » Matter 1.6

Time Synchronization 0x0038

Matter 1.6
ClusterRevision 2
Accurate time is required for a number of reasons, including scheduling, display and validating security materials.
« Back to current spec

Spec History

Matter 1.0 Matter 1.1 Matter 1.2 rev 2 Matter 1.3 rev 2 Matter 1.4 rev 2 Matter 1.5 rev 2 Matter 1.6 rev 2 Matter master rev 2

Attributes (13)

Code Name Type
0x0000 UTCTime epoch_us
0x0001 Granularity GranularityEnum
0x0002 TimeSource TimeSourceEnum
0x0003 TrustedTimeSource TrustedTimeSourceStruct
0x0004 DefaultNTP char_string
0x0005 TimeZone array
0x0006 DSTOffset array
0x0007 LocalTime epoch_us
0x0008 TimeZoneDatabase TimeZoneDatabaseEnum
0x0009 NTPServerAvailable boolean
0x000A TimeZoneListMaxSize int8u
0x000B DSTOffsetListMaxSize int8u
0x000C SupportsDNSResolve boolean

Commands (6)

Code Name Direction
0x00 SetUTCTime client→server
0x01 SetTrustedTimeSource client→server
0x02 SetTimeZone client→server
0x03 SetTimeZoneResponse server→client
0x04 SetDSTOffset client→server
0x05 SetDefaultNTP client→server

Features (4)

Bit Code Name
0 TZ TimeZone — Server supports time zone.
1 NTPC NTPClient — Server supports an NTP or SNTP client.
2 NTPS NTPServer — Server supports an NTP server role.
3 TSC TimeSyncClient — Time synchronization client cluster is present.