The time of day when the sun appears above the eastern horizon.
‘I'll meet you at the docks at sunrise.’;
The time of day when the sun disappears below the western horizon.
The change in color of the sky at dawn.
‘Did you see the beautiful sunrise this morning?’;
The changes in color of the sky at sunset.
(figuratively) Any great awakening.
‘It was the sunrise of her spirit.’;
(figuratively) The final period of the life of a person or thing.
‘one's sunset years’;
The first appearance of the sun above the horizon in the morning; more generally, the time of such appearance, whether in fair or cloudy weather; as, to begin work at sunrise.
(attributively) Having a set termination date.
‘The tax increase legislation included a sunset clause requiring renewal to prevent the tax increase from expiring.’;
Hence, the region where the sun rises; the east.
‘Which were beyond Jordan toward the sunrising.’; ‘Full hot and fast the Saxon rides, with rein of travel slack,And, bending o'ev his saddle, leaves the sunrise at his back.’;
The region where the sun sets; the west.
the first light of day;
‘we got up before dawn’; ‘they talked until morning’;
To phase out.
‘We'll be sunsetting version 1.9 of the software shortly after releasing version 2.0 next quarter.’;
atmospheric phenomena accompanying the daily appearance of the sun
The descent of the sun below the horizon; also, the time when the sun sets; evening. Also used figuratively.
‘'T is the sunset of life gives me mystical lore.’;
the daily event of the sun rising above the horizon
Hence, the region where the sun sets; the west.
of an industry or technology; new and developing;
‘high-technology sunrise industries’;
the time in the evening at which the sun begins to fall below the horizon
the time in the morning when the sun appears or full daylight arrives
‘an hour before sunrise’;
atmospheric phenomena accompanying the daily disappearance of the sun
the colours and light visible in the sky on an occasion of the sun's first appearance in the morning, considered as a view or spectacle
‘a spectacular sunrise over the summit of the mountain’;
the daily event of the sun sinking below the horizon
Sunrise (or sunup) is the moment when the upper rim of the Sun appears on the horizon in the morning. The term can also refer to the entire process of the solar disk crossing the horizon and its accompanying atmospheric effects.
of a declining industry or technology;
providing for termination;
‘a program with a sunset provision’;
Sunset, also known as sundown, is the daily disappearance of the Sun below the horizon due to Earth's rotation. As viewed from everywhere on Earth (except the North and South poles), the equinox Sun sets due west at the moment of both the Spring and Autumn equinox.