"Wed, 29 May 2024 21:04:10"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240529
Only TIME
21:04:10
General datetime
2024-05-29 21:04:10Z
For Database
2024-05-29 21:04:10
For HTTP1.1
Wed, 29 May 2024 21:04:10 GMT