"Wed, 15 May 2024 12:33:34"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240515
Only TIME
12:33:34
General datetime
2024-05-15 12:33:34Z
For Database
2024-05-15 12:33:34
For HTTP1.1
Wed, 15 May 2024 12:33:34 GMT