"Sat, 29 Jun 2024 14:57:34"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240629
Only TIME
14:57:34
General datetime
2024-06-29 14:57:34Z
For Database
2024-06-29 14:57:34
For HTTP1.1
Sat, 29 Jun 2024 14:57:34 GMT