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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) for a given ISO 8601 datetime string. * * - Monday=1 through Sunday=7. * - Returns null for invalid input. * * @param value ISO datetime string * @returns Day of week (1-7) or null on invalid input * * @example parseDayOfWeekFromDateTime("2024-01-01T12:00:00") // 1 (Monday) * @example parseDayOfWeekFromDateTime("2024-01-07T00:00:00") // 7 (Sunday) * @example parseDayOfWeekFromDateTime("invalid") // null */ export declare function parseDayOfWeekFromDateTime(value: string): number | null;