"Mon, 03 Jun 2024 15:25:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240603
Only TIME
15:25:03
General datetime
2024-06-03 15:25:03Z
For Database
2024-06-03 15:25:03
For HTTP1.1
Mon, 03 Jun 2024 15:25:03 GMT