"Sun, 19 Jan 2025 23:27:26"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250119
Only TIME
23:27:26
General datetime
2025-01-19 23:27:26Z
For Database
2025-01-19 23:27:26
For HTTP1.1
Sun, 19 Jan 2025 23:27:26 GMT