{"slug":"us-premarket-and-after-hours-japan-time","qid":"jst_weekday","label":"jst_weekday","post_title":"us-premarket-and-after-hours-japan-time","post_url":"/blog/lang/ja/us-premarket-and-after-hours-japan-time#q-jst_weekday","columns":["jst_weekday","bar_count","session_days"],"rows":[{"jst_weekday":"月","bar_count":9317,"session_days":24},{"jst_weekday":"火","bar_count":22262,"session_days":26},{"jst_weekday":"水","bar_count":23290,"session_days":26},{"jst_weekday":"木","bar_count":23095,"session_days":26},{"jst_weekday":"金","bar_count":21699,"session_days":25},{"jst_weekday":"土","bar_count":11508,"session_days":23}],"shape":"series","sql":"SELECT\n    jst_weekday,\n    bar_count,\n    session_days\nFROM\n(\n    SELECT\n        ['月', '火', '水', '木', '金', '土', '日'][toDayOfWeek(toTimeZone(window_start, 'Asia/Tokyo'))] AS jst_weekday,\n        toDayOfWeek(toTimeZone(window_start, 'Asia/Tokyo'))                                            AS weekday_order,\n        count()                                                                                        AS bar_count,\n        countDistinct(toDate(toTimeZone(window_start, 'Asia/Tokyo')))                                  AS session_days\n    FROM global_markets.delayed_stocks_minute_aggs\n    WHERE ticker = 'SPY'\n      AND window_start >= today() - 180\n      AND window_start <  today() - 2\n    GROUP BY jst_weekday, weekday_order\n)\nORDER BY weekday_order","computed_at":"2026-10-03T15:30:33.625696+00:00","elapsed":0.098702493}