/* test date and time support */ \set format unaligned set icu_ext.locale to 'en@calendar=gregorian'; set icu_ext.timestamptz_format to 'YYYY-MM-dd HH:mm:ss'; set timezone to 'Europe/Paris'; -- DST transition to summer time select '2023-03-25 00:00:00'::timestamptz + '26.5 hours'::interval AS "core", '2023-03-25 00:00:00'::icu_timestamptz + '26.5 hours'::icu_interval AS "ext"; set icu_ext.locale to 'en@calendar=ethiopic'; set icu_ext.date_format to '{short}'; set icu_ext.timestamptz_format to '{short}'; -- 13-month year with 5 days in the last month select '1/13/2016 ERA1'::icu_date + icu_interval '12 months' as d1, '1/13/2016 ERA1'::icu_date + icu_interval '13 months' as d2, '1/13/2016 ERA1'::icu_date + icu_interval '1 year' as d3; select '13/5/2016 ERA1'::icu_date + 1; set icu_ext.locale to 'en@calendar=gregorian'; select icu_parse_date('17/10/2023', 'dd/MM/yyyy'); select icu_parse_datetime('17/10/2023', 'dd/MM/yyyy'); select icu_parse_datetime('17/10/2023 12:02:40.653', 'dd/MM/yyyy HH:mm:ss.S'); set timezone to 'GMT'; select icu_parse_datetime('17/10/2023 12:02:40.653', 'dd/MM/yyyy HH:mm:ss.S');