The US trading day converted into Japan Standard Time: static illustrative reference, July 2026

Answered against 22 years of US equities and 12 years of US options data and published with the query that produced it. This result is stored as of 2026-07-31, from Trading US 0DTE Options From Japan.

Rows × columns

6 × 5

Period covered

04:00 to 20:00

Computed

2026-07-31

Completeness

No missing values

Source

US exchange, SIP and OPRA market data

Licence

Strasmore terms · free, no signup

Formats

JSON · CSV · the SQL below

What each column holds

Computed from Strasmore's warehouse of US exchange, SIP and OPRA market data. Equity prices are delayed; options greeks and implied volatility are end-of-day. This result is stored, not recomputed on load — it is exactly the numbers that were returned on 2026-07-31, and the query below is what returned them.

SELECT
    m.1 AS us_session_marker,
    m.2 AS eastern_time,
    m.3 AS japan_time,
    m.4 AS japan_calendar_day,
    m.5 AS hours_after_tokyo_close
FROM
(
    SELECT arrayJoin([
        ('Premarket opens',  '04:00', '17:00', 'same day',  1.5),
        ('Opening bell',     '09:30', '22:30', 'same day',  7.0),
        ('First hour ends',  '10:30', '23:30', 'same day',  8.0),
        ('Midday',           '12:00', '01:00', 'next day',  9.5),
        ('Closing bell',     '16:00', '05:00', 'next day', 13.5),
        ('After-hours ends', '20:00', '09:00', 'next day', 17.5)
    ]) AS m
)