"Mon, 27 May 2024 18:22:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240527
Only TIME
18:22:03
General datetime
2024-05-27 18:22:03Z
For Database
2024-05-27 18:22:03
For HTTP1.1
Mon, 27 May 2024 18:22:03 GMT