"Sat, 29 Jun 2024 18:54:04"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240629
Only TIME
18:54:04
General datetime
2024-06-29 18:54:04Z
For Database
2024-06-29 18:54:04
For HTTP1.1
Sat, 29 Jun 2024 18:54:04 GMT