{"slug":"us-stock-market-hours-mountain-time","qid":"session_clock","label":"session_clock","post_title":"us-stock-market-hours-mountain-time","post_url":"/blog/us-stock-market-hours-mountain-time#q-session_clock","columns":["et_time","denver_time","avg_volume_millions"],"rows":[{"et_time":"09:30","denver_time":"07:30","avg_volume_millions":3.75},{"et_time":"10:00","denver_time":"08:00","avg_volume_millions":2.7},{"et_time":"10:30","denver_time":"08:30","avg_volume_millions":2.26},{"et_time":"11:00","denver_time":"09:00","avg_volume_millions":2.59},{"et_time":"11:30","denver_time":"09:30","avg_volume_millions":1.93},{"et_time":"12:00","denver_time":"10:00","avg_volume_millions":1.61},{"et_time":"12:30","denver_time":"10:30","avg_volume_millions":1.45},{"et_time":"13:00","denver_time":"11:00","avg_volume_millions":1.5},{"et_time":"13:30","denver_time":"11:30","avg_volume_millions":1.23},{"et_time":"14:00","denver_time":"12:00","avg_volume_millions":1.71},{"et_time":"14:30","denver_time":"12:30","avg_volume_millions":2.28},{"et_time":"15:00","denver_time":"13:00","avg_volume_millions":2.39},{"et_time":"15:30","denver_time":"13:30","avg_volume_millions":7.03}],"shape":"series","sql":"SELECT\n    formatDateTime(toStartOfInterval(toTimeZone(window_start, 'America/New_York'), INTERVAL 30 MINUTE), '%H:%i') AS et_time,\n    formatDateTime(toStartOfInterval(toTimeZone(window_start, 'America/Denver'),   INTERVAL 30 MINUTE), '%H:%i') AS denver_time,\n    round(sum(volume)\n          / uniqExact(toDate(toTimeZone(window_start, 'America/New_York')))\n          / 1e6, 2) AS avg_volume_millions\nFROM global_markets.delayed_stocks_minute_aggs\nWHERE ticker = 'SPY'\n  AND window_start >= today() - 45\n  AND window_start <  today() - 2\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\nGROUP BY et_time, denver_time\nORDER BY et_time","computed_at":"2026-09-24T15:00:48.268618+00:00","elapsed":0.098934023}