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@burglekitt/gmt

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

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/** * Return the end of the quarter for a given UTC Instant string. * * - Calculates quarter end month: Q1=3, Q2=6, Q3=9, Q4=12. * - Returns last moment of the quarter. * - Returns "" for invalid input. * * @param value UTC Instant string * @returns UTC Instant string for the end of the quarter, or "" on invalid input * * @example endOfQuarterForUtc("2024-03-15T12:00:00Z") // "2024-03-31T23:59:59.999Z" * @example endOfQuarterForUtc("invalid") // "" */ export declare function endOfQuarterForUtc(value: string): string;