{"slug":"us-daylight-saving-switch-in-beijing-time","qid":"volume_by_beijing_hour","label":"volume_by_beijing_hour","post_title":"us-daylight-saving-switch-in-beijing-time","post_url":"/blog/lang/zh-hans/us-daylight-saving-switch-in-beijing-time#q-volume_by_beijing_hour","columns":["et_time","beijing_summer","beijing_winter","summer_volume_mn","winter_volume_mn"],"rows":[{"et_time":"04:00","beijing_summer":"16:00","beijing_winter":"17:00","summer_volume_mn":0.4,"winter_volume_mn":0.7},{"et_time":"05:00","beijing_summer":"17:00","beijing_winter":"18:00","summer_volume_mn":0.2,"winter_volume_mn":0.7},{"et_time":"06:00","beijing_summer":"18:00","beijing_winter":"19:00","summer_volume_mn":0.6,"winter_volume_mn":0.8},{"et_time":"07:00","beijing_summer":"19:00","beijing_winter":"20:00","summer_volume_mn":1.1,"winter_volume_mn":1.6},{"et_time":"08:00","beijing_summer":"20:00","beijing_winter":"21:00","summer_volume_mn":2.7,"winter_volume_mn":3},{"et_time":"09:00","beijing_summer":"21:00","beijing_winter":"22:00","summer_volume_mn":43.3,"winter_volume_mn":47.3},{"et_time":"10:00","beijing_summer":"22:00","beijing_winter":"23:00","summer_volume_mn":44.7,"winter_volume_mn":61.3},{"et_time":"11:00","beijing_summer":"23:00","beijing_winter":"00:00","summer_volume_mn":36.9,"winter_volume_mn":40.9},{"et_time":"12:00","beijing_summer":"00:00","beijing_winter":"01:00","summer_volume_mn":29.8,"winter_volume_mn":35.2},{"et_time":"13:00","beijing_summer":"01:00","beijing_winter":"02:00","summer_volume_mn":27.2,"winter_volume_mn":29.2},{"et_time":"14:00","beijing_summer":"02:00","beijing_winter":"03:00","summer_volume_mn":45.7,"winter_volume_mn":40.7},{"et_time":"15:00","beijing_summer":"03:00","beijing_winter":"04:00","summer_volume_mn":95.1,"winter_volume_mn":87.2},{"et_time":"16:00","beijing_summer":"04:00","beijing_winter":"05:00","summer_volume_mn":34.6,"winter_volume_mn":33},{"et_time":"17:00","beijing_summer":"05:00","beijing_winter":"06:00","summer_volume_mn":1,"winter_volume_mn":1.5},{"et_time":"18:00","beijing_summer":"06:00","beijing_winter":"07:00","summer_volume_mn":0.4,"winter_volume_mn":1},{"et_time":"19:00","beijing_summer":"07:00","beijing_winter":"08:00","summer_volume_mn":0.3,"winter_volume_mn":0.6}],"shape":"series","sql":"SELECT\n    formatDateTime(toTimeZone(window_start, 'America/New_York'), '%H:00') AS et_time,\n    anyIf(formatDateTime(toTimeZone(window_start, 'Asia/Shanghai'), '%H:00'),\n          toDate(toTimeZone(window_start, 'America/New_York')) < toDate('2025-11-01')) AS beijing_summer,\n    anyIf(formatDateTime(toTimeZone(window_start, 'Asia/Shanghai'), '%H:00'),\n          toDate(toTimeZone(window_start, 'America/New_York')) > toDate('2025-11-01')) AS beijing_winter,\n    round(sumIf(volume,\n          toDate(toTimeZone(window_start, 'America/New_York')) < toDate('2025-11-01')) / 1e6, 1) AS summer_volume_mn,\n    round(sumIf(volume,\n          toDate(toTimeZone(window_start, 'America/New_York')) > toDate('2025-11-01')) / 1e6, 1) AS winter_volume_mn\nFROM global_markets.delayed_stocks_minute_aggs\nWHERE ticker = 'SPY'\n  AND window_start >= toDateTime('2025-10-27 06:00:00', 'UTC')\n  AND window_start <  toDateTime('2025-11-08 06:00:00', 'UTC')\n  AND toHour(toTimeZone(window_start, 'America/New_York')) BETWEEN 4 AND 19\nGROUP BY et_time\nORDER BY et_time","computed_at":"2026-09-28T15:42:34.916124+00:00","elapsed":0.038102072}