This add-in is available in the Add-Ins section of the JMP Community.
Source code is available on GitHub.
Copy the contents of the src folder to a zip file, then change the file extension to .jmpaddin. This will not update the help file documentation, for that install both NaturalDocs and the jsl-hamcrest add-in and build the add-in using the included powershell script.
See CONTRIBUTING.md for more details.
Timezone data is derived from the IANA Time Zone Database via moment-timezone (MIT License).
The file AddinFiles/tz/tzData.jsl is generated at build time from the
moment-timezone unpacked data format. To regenerate it, run
build/buildTzData.ps1 or use the "Refresh timezone data" button in the
add-in (requires internet access).
Source: https://raw.githubusercontent.com/moment/moment-timezone/develop/data/unpacked/latest.json