"Wed, 29 May 2024 18:03:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240529
Only TIME
18:03:39
General datetime
2024-05-29 18:03:39Z
For Database
2024-05-29 18:03:39
For HTTP1.1
Wed, 29 May 2024 18:03:39 GMT