ISO 8601 date/time format: YYYY-MM-DDThh:mm:ss.SSSxyy:zz
Where:
YYYY – the year; must be four digits.
MM – the month; must be two digits (01 to 12).
DD – day of the month; must be two digits (01 to 31).
“T” appears literally in the string, to indicate the beginning of the time element.
hh – hour of the day; must be two digits (00 to 23).
mm – minute of the hour; must be two digits (00 to 59).
ss – second of the minute; must be two digits (00 to 59).
SSS – decimal seconds, optional; if present, one or more digits. NOTE: Decimal seconds are not currently supported. If passed in, they will be ignored.
xyy:zz - time zone indicator, in one of four formats:
Z = Zulu time, more often called Greenwich Mean Time (GMT).
±hh:mm = GMT plus or minus the specified offset of hours and minutes.
±hhmm = GMT plus or minus the specified offset of hours and minutes.
±hh = GMT plus or minus the specified offset of hours. Example: 2015-12-25T12:12:12-08:00
Time zone in responses: UTC (You are responsible for any conversion of time and date data to and from UTC time zone.)