"Sat, 29 Jun 2024 21:32:52"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240629
Only TIME
21:32:52
General datetime
2024-06-29 21:32:52Z
For Database
2024-06-29 21:32:52
For HTTP1.1
Sat, 29 Jun 2024 21:32:52 GMT