"Thu, 15 Aug 2024 15:21:49"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240815
Only TIME
15:21:49
General datetime
2024-08-15 15:21:49Z
For Database
2024-08-15 15:21:49
For HTTP1.1
Thu, 15 Aug 2024 15:21:49 GMT