"Sun, 09 Jun 2024 19:21:01"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240609
Only TIME
19:21:01
General datetime
2024-06-09 19:21:01Z
For Database
2024-06-09 19:21:01
For HTTP1.1
Sun, 09 Jun 2024 19:21:01 GMT