"Thu, 15 Aug 2024 19:21:04"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240815
Only TIME
19:21:04
General datetime
2024-08-15 19:21:04Z
For Database
2024-08-15 19:21:04
For HTTP1.1
Thu, 15 Aug 2024 19:21:04 GMT