{ "short": { "month": "short", "day": "numeric", "weekday": "long" }, "medium": { "month": "long", "day": "numeric", "weekday": "long", "year": "numeric" }, "long": { "year": "numeric", "month": "long", "day": "numeric", "weekday": "long", "hour": "numeric", "minute": "numeric", "hour12": true } }