"Mon, 20 May 2024 01:09:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240520
Only TIME
01:09:20
General datetime
2024-05-20 01:09:20Z
For Database
2024-05-20 01:09:20
For HTTP1.1
Mon, 20 May 2024 01:09:20 GMT