If you are having any troubles, try asking a question on Stack Overflow with the momentjs tag.

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.