ClickHouse/dbms/tests/queries/0_stateless/00541_to_start_of_fifteen_minutes.sql

SELECT 
    DISTINCT result 
FROM (
    SELECT 
        toStartOfFifteenMinutes(toDateTime('2017-12-25 00:00:00') + number * 60) AS result
    FROM system.numbers
    LIMIT 120
) ORDER BY result