ydb/yql/essentials/tests/sql/suites/datetime/date_tz_expand_gmt.sql

/* postgres can not */
select
    cast(Date("2000-01-01") as TzDate),
    cast(Datetime("2000-01-01T01:02:03Z") as TzDatetime),
    cast(Timestamp("2000-01-01T01:02:03.456789Z") as TzTimestamp);