@containertechnology/gx/dist/index.d.ts

gx returns gm, ge, or gn for respective parts of day, based on a provided date and timezone.

/**
 * @param time {Date} - Input date
 * @param {string} [timeZone='Eurpe/Berlin'] - Input timezone
 */
export default function gx(time: Date, timeZone?: string): string;