"Sat, 29 Jun 2024 09:50:35"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240629
Only TIME
09:50:35
General datetime
2024-06-29 09:50:35Z
For Database
2024-06-29 09:50:35
For HTTP1.1
Sat, 29 Jun 2024 09:50:35 GMT