"Sun, 23 Jun 2024 14:57:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240623
Only TIME
14:57:40
General datetime
2024-06-23 14:57:40Z
For Database
2024-06-23 14:57:40
For HTTP1.1
Sun, 23 Jun 2024 14:57:40 GMT