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@burglekitt/gmt

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Temporal-based date and time utilities with timezone support and polyfill integration

github.com/burglekitt/gmt

burglekitt/gmt

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/** * Return the day of week (1-7) from a UTC datetime string. * * - Monday=1 through Sunday=7. * - Returns null for invalid input. * * @param value ISO UTC datetime string (e.g., "2024-03-17T14:30:45Z") * @returns Day of week (1-7) or null on invalid input * * @example parseDayOfWeekFromUtc("2024-03-17T14:30:45Z") // 7 * @example parseDayOfWeekFromUtc("2024-03-18T00:00:00Z") // 1 * @example parseDayOfWeekFromUtc("invalid") // null */ export declare function parseDayOfWeekFromUtc(value: string): number | null;