{"slug":"0dte-options-from-japan","qid":"jst_clock","label":"The US trading day converted into Japan Standard Time: static illustrative reference, July 2026","post_title":"Trading US 0DTE Options From Japan","post_url":"/blog/0dte-options-from-japan#q-jst_clock","columns":["us_session_marker","eastern_time","japan_time","japan_calendar_day","hours_after_tokyo_close"],"rows":[{"us_session_marker":"Premarket opens","eastern_time":"04:00","japan_time":"17:00","japan_calendar_day":"same day","hours_after_tokyo_close":1.5},{"us_session_marker":"Opening bell","eastern_time":"09:30","japan_time":"22:30","japan_calendar_day":"same day","hours_after_tokyo_close":7},{"us_session_marker":"First hour ends","eastern_time":"10:30","japan_time":"23:30","japan_calendar_day":"same day","hours_after_tokyo_close":8},{"us_session_marker":"Midday","eastern_time":"12:00","japan_time":"01:00","japan_calendar_day":"next day","hours_after_tokyo_close":9.5},{"us_session_marker":"Closing bell","eastern_time":"16:00","japan_time":"05:00","japan_calendar_day":"next day","hours_after_tokyo_close":13.5},{"us_session_marker":"After-hours ends","eastern_time":"20:00","japan_time":"09:00","japan_calendar_day":"next day","hours_after_tokyo_close":17.5}],"shape":"series","sql":"SELECT\n    m.1 AS us_session_marker,\n    m.2 AS eastern_time,\n    m.3 AS japan_time,\n    m.4 AS japan_calendar_day,\n    m.5 AS hours_after_tokyo_close\nFROM\n(\n    SELECT arrayJoin([\n        ('Premarket opens',  '04:00', '17:00', 'same day',  1.5),\n        ('Opening bell',     '09:30', '22:30', 'same day',  7.0),\n        ('First hour ends',  '10:30', '23:30', 'same day',  8.0),\n        ('Midday',           '12:00', '01:00', 'next day',  9.5),\n        ('Closing bell',     '16:00', '05:00', 'next day', 13.5),\n        ('After-hours ends', '20:00', '09:00', 'next day', 17.5)\n    ]) AS m\n)","computed_at":"2026-07-31T08:39:39.901290+00:00","elapsed":0.06909811}