9.16.1.1 +TIME

This command is used to set or query the system time. Three formats of time are supported, two are in UTC seconds and one is a string based on RFC3339/ISO-8601 format:

UNIX timestamp – UTC seconds since 1^st January 1970
NTP time – UTC seconds since 1^st January 1900
RFC3339/ISO-8601 – String representation of date/time

RFC3338 / ISO-8601 format represents the time as:

YYYY-MM-DDTHH:MM:SS.ssZ

For example:

2019-02-31T12:34:56.01Z - 31st February 2019, 12:34 PM 56.01 seconds (UTC+0)

Security – Default Security for the command is: GGGG

Table 9-182. Command Syntax
Command	Description	Security
`AT+TIME`	Time query in current format	`GGGG`
`AT+TIME=<FORMAT>`	Time query in specified format	`GGGG`
`AT+TIME=<FORMAT>,<UTC_SEC>`	Time set in UTC seconds	`GGGG`
`AT+TIME=<FORMAT>,<DATE_TIME>`	Time set in RFC3339/ISO-8601 format	`GGGG`

Table 9-183. Command Parameter Syntax
Parameter Name	Type	Description
`<FORMAT>`	Integer	Format of time UTC seconds (epoch 01/01/1970 - UNIX timestamp) UTC seconds (epoch 01/01/1900 - NTP time) RFC3339 / ISO-8601 format
`<UTC_SEC>`	Integer	UTC seconds
`<DATE_TIME>`	String	Date/time in format `YYYY-MM-DDTHH:MM:SS.00Z`