"Sun, 23 Jun 2024 21:08:24"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240623
Only TIME
21:08:24
General datetime
2024-06-23 21:08:24Z
For Database
2024-06-23 21:08:24
For HTTP1.1
Sun, 23 Jun 2024 21:08:24 GMT