select toDate(0); select toDateTime(0, 'Asia/Istanbul'); select toMonday(toDate(0)); select toMonday(toDateTime(0, 'Asia/Istanbul')); select toStartOfWeek(toDate(0)); select toStartOfWeek(toDateTime(0, 'Asia/Istanbul')); select toStartOfMonth(toDate(0)); select toStartOfMonth(toDateTime(0, 'Asia/Istanbul')); select toStartOfQuarter(toDate(0)); select toStartOfQuarter(toDateTime(0, 'Asia/Istanbul')); select toStartOfYear(toDate(0)); select toStartOfYear(toDateTime(0, 'Asia/Istanbul')); select toTime(toDateTime(0, 'Asia/Istanbul')); select toStartOfMinute(toDateTime(0, 'Asia/Istanbul')); select toStartOfFiveMinutes(toDateTime(0, 'Asia/Istanbul')); select toStartOfTenMinutes(toDateTime(0, 'Asia/Istanbul')); select toStartOfFifteenMinutes(toDateTime(0, 'Asia/Istanbul')); select toStartOfHour(toDateTime(0, 'Asia/Istanbul')); select toDateTime(0, 'America/Los_Angeles'); select toMonday(toDateTime(0, 'America/Los_Angeles')); select toStartOfWeek(toDateTime(0, 'America/Los_Angeles')); select toStartOfMonth(toDateTime(0, 'America/Los_Angeles')); select toStartOfQuarter(toDateTime(0, 'America/Los_Angeles')); select toStartOfYear(toDateTime(0, 'America/Los_Angeles')); select toTime(toDateTime(0, 'America/Los_Angeles'), 'America/Los_Angeles'); select toStartOfMinute(toDateTime(0, 'America/Los_Angeles')); select toStartOfFiveMinutes(toDateTime(0, 'America/Los_Angeles')); select toStartOfTenMinutes(toDateTime(0, 'America/Los_Angeles')); select toStartOfFifteenMinutes(toDateTime(0, 'America/Los_Angeles')); select toStartOfHour(toDateTime(0, 'America/Los_Angeles'));