startTime
The start of the time interval for which to get metric data.
Constraints:
Specified in Coordinated Universal Time (UTC).
Specified in the Unix time format.For example, if you wish to use a start time of October 1, 2018, at 8 PM UTC, specify
1538424000
as the start time.
You can convert a human-friendly time to Unix time format using a converter like Epoch converter.