"Sat, 29 Jun 2024 09:40:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240629
Only TIME
09:40:23
General datetime
2024-06-29 09:40:23Z
For Database
2024-06-29 09:40:23
For HTTP1.1
Sat, 29 Jun 2024 09:40:23 GMT