brazilianutils/lib/timezones/atlantic.json

Lots of utilities for Node.js

{
    "Atlantic": [
        "Atlantic/Azores",
        "Atlantic/Bermuda",
        "Atlantic/Canary",
        "Atlantic/Cape_Verde",
        "Atlantic/Faroe",
        "Atlantic/Madeira",
        "Atlantic/Reykjavik",
        "Atlantic/South_Georgia",
        "Atlantic/St_Helena",
        "Atlantic/Stanley"
    ]
}