"Sun, 23 Jun 2024 05:15:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240623
Only TIME
05:15:03
General datetime
2024-06-23 05:15:03Z
For Database
2024-06-23 05:15:03
For HTTP1.1
Sun, 23 Jun 2024 05:15:03 GMT