"Mon, 27 May 2024 12:31:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240527
Only TIME
12:31:55
General datetime
2024-05-27 12:31:55Z
For Database
2024-05-27 12:31:55
For HTTP1.1
Mon, 27 May 2024 12:31:55 GMT