"Wed, 29 May 2024 18:15:17"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240529
Only TIME
18:15:17
General datetime
2024-05-29 18:15:17Z
For Database
2024-05-29 18:15:17
For HTTP1.1
Wed, 29 May 2024 18:15:17 GMT