"Sun, 16 Jun 2024 04:42:04"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240616
Only TIME
04:42:04
General datetime
2024-06-16 04:42:04Z
For Database
2024-06-16 04:42:04
For HTTP1.1
Sun, 16 Jun 2024 04:42:04 GMT