"Sat, 15 Jun 2024 22:07:39"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240615
Only TIME
22:07:39
General datetime
2024-06-15 22:07:39Z
For Database
2024-06-15 22:07:39
For HTTP1.1
Sat, 15 Jun 2024 22:07:39 GMT