If you are having any troubles, the first place to check is the guides.
If you don't find what you are looking for there, try asking a question on Stack Overflow with the
Note: More than half of the issues seen on Stack Overflow can be answered by this blog post.
You can also use the GitHub issue tracker to find related issues or open a new issue.
In addition, Moment has a Gitter where the internal team is frequently available.
For general troubleshooting help, Stack Overflow is the preferred forum. Moment's maintainers are very active on Stack Overflow, as are several other knowledgeable users. The fastest response will be there.