"Wed, 15 May 2024 09:08:11"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240515
Only TIME
09:08:11
General datetime
2024-05-15 09:08:11Z
For Database
2024-05-15 09:08:11
For HTTP1.1
Wed, 15 May 2024 09:08:11 GMT