{"slug":"us-stock-market-hours-sydney-time","qid":"sydney_open_by_week","label":"Sydney open and close of the first US session each week","post_title":"US Stock Market Hours in Sydney Time","post_url":"/blog/us-stock-market-hours-sydney-time#q-sydney_open_by_week","columns":["week","week_label","sydney_open","sydney_close","hours_ahead_of_new_york"],"rows":[{"week":"2025-08-18","week_label":"18 Aug 2025","sydney_open":"23:30","sydney_close":"06:00","hours_ahead_of_new_york":14},{"week":"2025-08-25","week_label":"25 Aug 2025","sydney_open":"23:30","sydney_close":"06:00","hours_ahead_of_new_york":14},{"week":"2025-09-01","week_label":"1 Sep 2025","sydney_open":"23:30","sydney_close":"06:00","hours_ahead_of_new_york":14},{"week":"2025-09-08","week_label":"8 Sep 2025","sydney_open":"23:30","sydney_close":"06:00","hours_ahead_of_new_york":14},{"week":"2025-09-15","week_label":"15 Sep 2025","sydney_open":"23:30","sydney_close":"06:00","hours_ahead_of_new_york":14},{"week":"2025-09-22","week_label":"22 Sep 2025","sydney_open":"23:30","sydney_close":"06:00","hours_ahead_of_new_york":14},{"week":"2025-09-29","week_label":"29 Sep 2025","sydney_open":"23:30","sydney_close":"06:00","hours_ahead_of_new_york":14},{"week":"2025-10-06","week_label":"6 Oct 2025","sydney_open":"00:30","sydney_close":"07:00","hours_ahead_of_new_york":15},{"week":"2025-10-13","week_label":"13 Oct 2025","sydney_open":"00:30","sydney_close":"07:00","hours_ahead_of_new_york":15},{"week":"2025-10-20","week_label":"20 Oct 2025","sydney_open":"00:30","sydney_close":"07:00","hours_ahead_of_new_york":15},{"week":"2025-10-27","week_label":"27 Oct 2025","sydney_open":"00:30","sydney_close":"07:00","hours_ahead_of_new_york":15},{"week":"2025-11-03","week_label":"3 Nov 2025","sydney_open":"01:30","sydney_close":"08:00","hours_ahead_of_new_york":16},{"week":"2025-11-10","week_label":"10 Nov 2025","sydney_open":"01:30","sydney_close":"08:00","hours_ahead_of_new_york":16},{"week":"2025-11-17","week_label":"17 Nov 2025","sydney_open":"01:30","sydney_close":"08:00","hours_ahead_of_new_york":16},{"week":"2025-11-24","week_label":"24 Nov 2025","sydney_open":"01:30","sydney_close":"08:00","hours_ahead_of_new_york":16},{"week":"2025-12-01","week_label":"1 Dec 2025","sydney_open":"01:30","sydney_close":"08:00","hours_ahead_of_new_york":16},{"week":"2025-12-08","week_label":"8 Dec 2025","sydney_open":"01:30","sydney_close":"08:00","hours_ahead_of_new_york":16},{"week":"2025-12-15","week_label":"15 Dec 2025","sydney_open":"01:30","sydney_close":"08:00","hours_ahead_of_new_york":16},{"week":"2025-12-22","week_label":"22 Dec 2025","sydney_open":"01:30","sydney_close":"08:00","hours_ahead_of_new_york":16},{"week":"2025-12-29","week_label":"29 Dec 2025","sydney_open":"01:30","sydney_close":"08:00","hours_ahead_of_new_york":16},{"week":"2026-01-05","week_label":"5 Jan 2026","sydney_open":"01:30","sydney_close":"08:00","hours_ahead_of_new_york":16},{"week":"2026-01-12","week_label":"12 Jan 2026","sydney_open":"01:30","sydney_close":"08:00","hours_ahead_of_new_york":16},{"week":"2026-01-19","week_label":"19 Jan 2026","sydney_open":"01:30","sydney_close":"08:00","hours_ahead_of_new_york":16},{"week":"2026-01-26","week_label":"26 Jan 2026","sydney_open":"01:30","sydney_close":"08:00","hours_ahead_of_new_york":16},{"week":"2026-02-02","week_label":"2 Feb 2026","sydney_open":"01:30","sydney_close":"08:00","hours_ahead_of_new_york":16},{"week":"2026-02-09","week_label":"9 Feb 2026","sydney_open":"01:30","sydney_close":"08:00","hours_ahead_of_new_york":16},{"week":"2026-02-16","week_label":"16 Feb 2026","sydney_open":"01:30","sydney_close":"08:00","hours_ahead_of_new_york":16},{"week":"2026-02-23","week_label":"23 Feb 2026","sydney_open":"01:30","sydney_close":"08:00","hours_ahead_of_new_york":16},{"week":"2026-03-02","week_label":"2 Mar 2026","sydney_open":"01:30","sydney_close":"08:00","hours_ahead_of_new_york":16},{"week":"2026-03-09","week_label":"9 Mar 2026","sydney_open":"00:30","sydney_close":"07:00","hours_ahead_of_new_york":15},{"week":"2026-03-16","week_label":"16 Mar 2026","sydney_open":"00:30","sydney_close":"07:00","hours_ahead_of_new_york":15},{"week":"2026-03-23","week_label":"23 Mar 2026","sydney_open":"00:30","sydney_close":"07:00","hours_ahead_of_new_york":15},{"week":"2026-03-30","week_label":"30 Mar 2026","sydney_open":"00:30","sydney_close":"07:00","hours_ahead_of_new_york":15},{"week":"2026-04-06","week_label":"6 Apr 2026","sydney_open":"23:30","sydney_close":"06:00","hours_ahead_of_new_york":14},{"week":"2026-04-13","week_label":"13 Apr 2026","sydney_open":"23:30","sydney_close":"06:00","hours_ahead_of_new_york":14},{"week":"2026-04-20","week_label":"20 Apr 2026","sydney_open":"23:30","sydney_close":"06:00","hours_ahead_of_new_york":14},{"week":"2026-04-27","week_label":"27 Apr 2026","sydney_open":"23:30","sydney_close":"06:00","hours_ahead_of_new_york":14},{"week":"2026-05-04","week_label":"4 May 2026","sydney_open":"23:30","sydney_close":"06:00","hours_ahead_of_new_york":14},{"week":"2026-05-11","week_label":"11 May 2026","sydney_open":"23:30","sydney_close":"06:00","hours_ahead_of_new_york":14},{"week":"2026-05-18","week_label":"18 May 2026","sydney_open":"23:30","sydney_close":"06:00","hours_ahead_of_new_york":14},{"week":"2026-05-25","week_label":"25 May 2026","sydney_open":"23:30","sydney_close":"06:00","hours_ahead_of_new_york":14},{"week":"2026-06-01","week_label":"1 Jun 2026","sydney_open":"23:30","sydney_close":"06:00","hours_ahead_of_new_york":14},{"week":"2026-06-08","week_label":"8 Jun 2026","sydney_open":"23:30","sydney_close":"06:00","hours_ahead_of_new_york":14},{"week":"2026-06-15","week_label":"15 Jun 2026","sydney_open":"23:30","sydney_close":"06:00","hours_ahead_of_new_york":14},{"week":"2026-06-22","week_label":"22 Jun 2026","sydney_open":"23:30","sydney_close":"06:00","hours_ahead_of_new_york":14},{"week":"2026-06-29","week_label":"29 Jun 2026","sydney_open":"23:30","sydney_close":"06:00","hours_ahead_of_new_york":14},{"week":"2026-07-06","week_label":"6 Jul 2026","sydney_open":"23:30","sydney_close":"06:00","hours_ahead_of_new_york":14},{"week":"2026-07-13","week_label":"13 Jul 2026","sydney_open":"23:30","sydney_close":"06:00","hours_ahead_of_new_york":14},{"week":"2026-07-20","week_label":"20 Jul 2026","sydney_open":"23:30","sydney_close":"06:00","hours_ahead_of_new_york":14},{"week":"2026-07-27","week_label":"27 Jul 2026","sydney_open":"23:30","sydney_close":"06:00","hours_ahead_of_new_york":14},{"week":"2026-08-03","week_label":"3 Aug 2026","sydney_open":"23:30","sydney_close":"06:00","hours_ahead_of_new_york":14},{"week":"2026-08-10","week_label":"10 Aug 2026","sydney_open":"23:30","sydney_close":"06:00","hours_ahead_of_new_york":14},{"week":"2026-08-17","week_label":"17 Aug 2026","sydney_open":"23:30","sydney_close":"06:00","hours_ahead_of_new_york":14},{"week":"2026-08-24","week_label":"24 Aug 2026","sydney_open":"23:30","sydney_close":"06:00","hours_ahead_of_new_york":14},{"week":"2026-08-31","week_label":"31 Aug 2026","sydney_open":"23:30","sydney_close":"06:00","hours_ahead_of_new_york":14},{"week":"2026-09-07","week_label":"7 Sep 2026","sydney_open":"23:30","sydney_close":"06:00","hours_ahead_of_new_york":14},{"week":"2026-09-14","week_label":"14 Sep 2026","sydney_open":"23:30","sydney_close":"06:00","hours_ahead_of_new_york":14}],"shape":"series","sql":"SELECT\n    toString(toStartOfWeek(session, 1))                          AS week,\n    trimBoth(formatDateTime(toStartOfWeek(session, 1), '%e %b %Y')) AS week_label,\n    argMin(sydney_open, session)                                 AS sydney_open,\n    argMin(sydney_close, session)                                AS sydney_close,\n    argMin(hours_ahead_of_new_york, session)                     AS hours_ahead_of_new_york\nFROM\n(\n    SELECT\n        toDate(toTimeZone(window_start, 'America/New_York'))                                        AS session,\n        formatDateTime(toTimeZone(min(window_start), 'Australia/Sydney'), '%H:%i')                   AS sydney_open,\n        formatDateTime(toTimeZone(addMinutes(max(window_start), 1), 'Australia/Sydney'), '%H:%i')    AS sydney_close,\n        modulo(toHour(toTimeZone(min(window_start), 'Australia/Sydney'))\n               - toHour(toTimeZone(min(window_start), 'America/New_York')) + 24, 24)                 AS hours_ahead_of_new_york\n    FROM global_markets.delayed_stocks_minute_aggs\n    WHERE ticker = 'SPY'\n      AND window_start >= today() - 400\n      AND window_start <  today() - 4\n      AND (toHour(toTimeZone(window_start, 'America/New_York')) * 60\n           + toMinute(toTimeZone(window_start, 'America/New_York'))) >= 570\n      AND (toHour(toTimeZone(window_start, 'America/New_York')) * 60\n           + toMinute(toTimeZone(window_start, 'America/New_York'))) < 960\n    GROUP BY session\n    HAVING toHour(toTimeZone(min(window_start), 'America/New_York')) * 60\n           + toMinute(toTimeZone(min(window_start), 'America/New_York')) = 570\n)\nGROUP BY toStartOfWeek(session, 1)\nORDER BY week","computed_at":"2026-09-20T02:24:07.351270+00:00","elapsed":0.433275748}