"Wed, 29 May 2024 23:18:55"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240529
Only TIME
23:18:55
General datetime
2024-05-29 23:18:55Z
For Database
2024-05-29 23:18:55
For HTTP1.1
Wed, 29 May 2024 23:18:55 GMT