Japanese local time of each US session boundary, January against July: static illustrative reference for 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.
| us_session_marker | january_japan_time | july_japan_time | hours_moved_across_the_year |
|---|---|---|---|
| Premarket opens | 18:00 | 17:00 | 1 |
| Opening bell | 23:30 | 22:30 | 1 |
| Closing bell | 06:00 | 05:00 | 1 |
| After-hours ends | 10:00 | 09:00 | 1 |
- Rows × columns
- 4 × 4
- Period covered
- to
- Computed
- Completeness
- No missing values
- Source
- US exchange, SIP and OPRA market data
- Licence
- Strasmore terms · free, no signup
What each column holds
| Column | Type | Range | Notes |
|---|---|---|---|
us_session_marker |
text | 4 distinct values | |
january_japan_time |
date | 06:00 to 23:30 | |
july_japan_time |
date | 05:00 to 22:30 | |
hours_moved_across_the_year |
number | every row is 1 |
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 , and the query below is what returned them.
the exact SQL behind every number
SELECT
s.1 AS us_session_marker,
s.2 AS january_japan_time,
s.3 AS july_japan_time,
s.4 AS hours_moved_across_the_year
FROM
(
SELECT arrayJoin([
('Premarket opens', '18:00', '17:00', 1),
('Opening bell', '23:30', '22:30', 1),
('Closing bell', '06:00', '05:00', 1),
('After-hours ends', '10:00', '09:00', 1)
]) AS s
)
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