Early morning
"Ling" means approaching, "morning" refers to the sun after the rise of the morning, the morning from the middle of the night to dawn (usually in the time) for a period of time, about 01: 00-06: 00 (equivalent to ugly To the time), such as 04:00 in the radio when the time will be called 4:00. A few people will call 06:00 for 6 am, but no one will call 07:00 for 7 am, because at 07:00 it is usually dawn. This is the same time, if the previous day as a starting point, can be called "late at night", in actual use, "late night" and "early morning" are "late night" usually refers to the previous night's continuation, the corresponding, the night Will be recorded as 24 hours. And the day as a starting point, the middle of the night should be recorded as 0. ...