"Thu, 15 Aug 2024 12:40:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240815
Only TIME
12:40:03
General datetime
2024-08-15 12:40:03Z
For Database
2024-08-15 12:40:03
For HTTP1.1
Thu, 15 Aug 2024 12:40:03 GMT