"Sun, 23 Jun 2024 21:51:02"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240623
Only TIME
21:51:02
General datetime
2024-06-23 21:51:02Z
For Database
2024-06-23 21:51:02
For HTTP1.1
Sun, 23 Jun 2024 21:51:02 GMT