"Sat, 29 Jun 2024 16:48:53"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240629
Only TIME
16:48:53
General datetime
2024-06-29 16:48:53Z
For Database
2024-06-29 16:48:53
For HTTP1.1
Sat, 29 Jun 2024 16:48:53 GMT