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Days when the New York open lands at 14:30 Frankfurt time (three-hour overlap), 2026 and 2027

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 2026-09-16, from Xetra Trading Hours and Holidays 2026–2027.

as of series 4×5read in context →
Days when the New York open lands at 14:30 Frankfurt time (three-hour overlap), 2026 and 2027 — 4 rows by 5 columns, computed from US exchange, SIP and OPRA data.
first_daylast_dayweekdaysny_open_frankfurtxetra_close_new_york
8 Mar 202628 Mar 20261514:3012:30
25 Oct 202631 Oct 2026514:3012:30
14 Mar 202727 Mar 20271014:3012:30
31 Oct 20276 Nov 2027514:3012:30
Rows × columns
4 × 5
Computed
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

Column definitions for Days when the New York open lands at 14:30 Frankfurt time (three-hour overlap), 2026 and 2027, derived from the stored result.
ColumnTypeRangeNotes
first_day text 4 distinct values (14 Mar 2027, 25 Oct 2026, 31 Oct 2027…)
last_day text 4 distinct values (27 Mar 2027, 28 Mar 2026, 31 Oct 2026…)
weekdays number 5 to 15
ny_open_frankfurt text 1 distinct value (14:30)
xetra_close_new_york text 1 distinct value (12:30)

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
    concat(toString(toDayOfMonth(min(day))), ' ', formatDateTime(min(day), '%b %Y')) AS first_day,
    concat(toString(toDayOfMonth(max(day))), ' ', formatDateTime(max(day), '%b %Y')) AS last_day,
    countIf(toDayOfWeek(day) <= 5)                                                   AS weekdays,
    any(ny_open_frankfurt)                                                           AS ny_open_frankfurt,
    any(xetra_close_new_york)                                                        AS xetra_close_new_york
FROM
(
    SELECT
        day,
        toDateTime(concat(toString(day), ' 09:30:00'), 'America/New_York')      AS ny_open,
        toDateTime(concat(toString(day), ' 17:30:00'), 'Europe/Berlin')         AS xetra_close,
        formatDateTime(toTimeZone(ny_open, 'Europe/Berlin'), '%H:%i')           AS ny_open_frankfurt,
        formatDateTime(toTimeZone(xetra_close, 'America/New_York'), '%H:%i')    AS xetra_close_new_york,
        intDiv(toUnixTimestamp(xetra_close) - toUnixTimestamp(ny_open), 3600)   AS overlap_hours
    FROM
    (
        SELECT toDate('2026-01-01') + arrayJoin(range(730)) AS day
    )
)
WHERE overlap_hours = 3
GROUP BY toYear(day), toMonth(day) < 7
ORDER BY min(day)

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