"Sun, 30 Jun 2024 15:54:47"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240630
Only TIME
15:54:47
General datetime
2024-06-30 15:54:47Z
For Database
2024-06-30 15:54:47
For HTTP1.1
Sun, 30 Jun 2024 15:54:47 GMT