// earth-zone.el — EarthCalendar(zone) formats with the right zone abbreviation.
// We use a fixed Instant on July 4, 2026 (definitely EDT in NYC) so the
// abbreviation is deterministic across runs.

fn run_test() -> String {
    let z: Zone = zone("America/New_York")
    let cal: Calendar = earth_calendar(z)
    // 2026-07-04 12:00:00 UTC = 2026-07-04 08:00:00 EDT
    let i: Instant = unix_seconds(1782216000)
    let ct: CalendarTime = in_calendar(i, cal)
    return cal_format(ct, "z")
}

fn main() -> Void {
    println(run_test())
}