xi = xi or {}

---@enum xi.day
xi.day =
{
    FIRESDAY     = 0,
    EARTHSDAY    = 1,
    WATERSDAY    = 2,
    WINDSDAY     = 3,
    ICEDAY       = 4,
    LIGHTNINGDAY = 5,
    LIGHTSDAY    = 6,
    DARKSDAY     = 7,
}