"Sun, 23 Jun 2024 22:15:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240623
Only TIME
22:15:39
General datetime
2024-06-23 22:15:39Z
For Database
2024-06-23 22:15:39
For HTTP1.1
Sun, 23 Jun 2024 22:15:39 GMT