"Wed, 01 Jan 2025 15:28:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250101
Only TIME
15:28:21
General datetime
2025-01-01 15:28:21Z
For Database
2025-01-01 15:28:21
For HTTP1.1
Wed, 01 Jan 2025 15:28:21 GMT