"Wed, 29 May 2024 14:47:44"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240529
Only TIME
14:47:44
General datetime
2024-05-29 14:47:44Z
For Database
2024-05-29 14:47:44
For HTTP1.1
Wed, 29 May 2024 14:47:44 GMT