"Wed, 29 May 2024 20:15:01"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240529
Only TIME
20:15:01
General datetime
2024-05-29 20:15:01Z
For Database
2024-05-29 20:15:01
For HTTP1.1
Wed, 29 May 2024 20:15:01 GMT