"Sun, 23 Jun 2024 14:37:29"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240623
Only TIME
14:37:29
General datetime
2024-06-23 14:37:29Z
For Database
2024-06-23 14:37:29
For HTTP1.1
Sun, 23 Jun 2024 14:37:29 GMT