"Wed, 29 May 2024 19:15:56"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240529
Only TIME
19:15:56
General datetime
2024-05-29 19:15:56Z
For Database
2024-05-29 19:15:56
For HTTP1.1
Wed, 29 May 2024 19:15:56 GMT