"Sun, 30 Jun 2024 18:54:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240630
Only TIME
18:54:23
General datetime
2024-06-30 18:54:23Z
For Database
2024-06-30 18:54:23
For HTTP1.1
Sun, 30 Jun 2024 18:54:23 GMT