Daily candle
A daily candle is one candle that covers a whole trading day, with the open, high, low and close of that day.
Definition
A daily candle is one candle that covers a whole trading day, with the open, high, low and close of that day.
Currency markets run around the clock on weekdays, so the day is a convention. Many charts end it at 17:00 New York time, and others at midnight UTC.
Because a day has no single agreed boundary, say which one a chart uses when comparing daily candles from two sources.