"Sun, 30 Jun 2024 04:42:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240630
Only TIME
04:42:15
General datetime
2024-06-30 04:42:15Z
For Database
2024-06-30 04:42:15
For HTTP1.1
Sun, 30 Jun 2024 04:42:15 GMT