4.5.15

4.5.15 Date/time

The purpose of the Date/time information element is to provide the date and time to the user. It indicates the point in time when the message has been generated by the network.

Note - It is a network dependent matter whether the time indicated is local time or Coordinated Universal Time (UTC) and which calendar is used for referencing the date.

The Date/time information element is coded as shown in Figure 4-21.

Bits
8	7	6	5	4	3	2	1	Octets
	Date/time information element identifier
0	0	1	0	1	0	0	1	1
Length of date/time contents								2
Year								3
Month								4
Day								5
Hour								6*
Minute								7*
Second								8*
Note -Octets 3-8 are binary coded (bit 1 being the least significant bit).

Figure 4-21/Q.931

Date/time information element