GoLang Parse many date strings without knowing format in advance.
https://github.com/araddon/dateparse
96 forks.
1.380 stars.
30 open issues.
Recent commits:

• New date format 2020-07-20+00:00 fixes #110, Aaron Raddon
• fix TZ-location override for format fixes #113, Aaron Raddon
• Support len 2 TZ offsets: 2019-05-29T08:41-04 fixes #111, Aaron Raddon
• Workfront date format, closes #117, Aaron Raddon
• new date format, fixes #116, Aaron Raddon