STRASMORE/EXPLORE 3,214 QUERIES

zomertijd_kloof

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 2026-10-08, from us-stock-market-hours-amsterdam-time.

as of series 15×5read in context →
zomertijd_kloof — 15 rows by 5 columns, computed from US exchange, SIP and OPRA data.
daydatum_nlopening_nlsluiting_nlverschil_uren
2026-10-2626 okt 202614:3021:005
2026-10-2727 okt 202614:3021:005
2026-10-2828 okt 202614:3021:005
2026-10-2929 okt 202614:3021:005
2026-10-3030 okt 202614:3021:005
2027-03-1515 mrt 202714:3021:005
2027-03-1616 mrt 202714:3021:005
2027-03-1717 mrt 202714:3021:005
2027-03-1818 mrt 202714:3021:005
2027-03-1919 mrt 202714:3021:005
2027-03-2222 mrt 202714:3021:005
2027-03-2323 mrt 202714:3021:005
2027-03-2424 mrt 202714:3021:005
2027-03-2525 mrt 202714:3021:005
2027-03-2626 mrt 202714:3021:005
Rows × columns
15 × 5
Period covered
to
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 zomertijd_kloof, derived from the stored result.
ColumnTypeRangeNotes
day date 2026-10-26 to 2027-03-26
datum_nl text 15 distinct values (15 mrt 2027, 16 mrt 2027, 17 mrt 2027…)
opening_nl text 1 distinct value (14:30)
sluiting_nl text 1 distinct value (21:00)
verschil_uren number every row is 5

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.

Run it yourself

This is the exact query behind the result above. Change a ticker, a date or a column and run it against the warehouse — no account, no key. The no-signup tier is smaller than the one this page was computed on; a query that reaches past it comes back saying which plan runs it.

SELECT
    toString(dag)                                                        AS day,
    concat(toString(toDayOfMonth(dag)), ' ',
           ['jan','feb','mrt','apr','mei','jun','jul','aug','sep','okt','nov','dec'][toMonth(dag)],
           ' ', toString(toYear(dag)))                                   AS datum_nl,
    formatDateTime(toTimeZone(opening_et, 'Europe/Amsterdam'), '%H:%i')   AS opening_nl,
    formatDateTime(toTimeZone(sluiting_et, 'Europe/Amsterdam'), '%H:%i')  AS sluiting_nl,
    intDiv(timeZoneOffset(toTimeZone(opening_et, 'Europe/Amsterdam'))
         - timeZoneOffset(opening_et), 3600)                             AS verschil_uren
FROM
(
    SELECT
        dag,
        toDateTime(concat(toString(dag), ' 09:30:00'), 'America/New_York') AS opening_et,
        toDateTime(concat(toString(dag), ' 16:00:00'), 'America/New_York') AS sluiting_et
    FROM
    (
        SELECT today() + arrayJoin(range(300)) AS dag
    )
    WHERE toDayOfWeek(dag) BETWEEN 1 AND 5
)
WHERE opening_nl != '15:30'
ORDER BY dag
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