"Sun, 23 Feb 2025 04:51:19"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250223
Only TIME
04:51:19
General datetime
2025-02-23 04:51:19Z
For Database
2025-02-23 04:51:19
For HTTP1.1
Sun, 23 Feb 2025 04:51:19 GMT