"Wed, 15 May 2024 12:34:59"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240515
Only TIME
12:34:59
General datetime
2024-05-15 12:34:59Z
For Database
2024-05-15 12:34:59
For HTTP1.1
Wed, 15 May 2024 12:34:59 GMT