"Sun, 23 Jun 2024 04:37:51"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240623
Only TIME
04:37:51
General datetime
2024-06-23 04:37:51Z
For Database
2024-06-23 04:37:51
For HTTP1.1
Sun, 23 Jun 2024 04:37:51 GMT