daywatch
nounUK /ˈdeɪwɒtʃ/
US /ˈdeɪwɑːtʃ/
A daywatch is the daytime shift when people take turns watching or guarding something.
The sailors on the daywatch kept a close eye on the horizon.
OTHER MEANINGS
2. A person or group assigned to keep watch during the day.
The daywatch reported nothing unusual until noon.
3. A period of duty on a ship during daylight hours.
He was assigned to the daywatch from six in the morning until noon.
4. A daytime surveillance or monitoring service.
The neighborhood daywatch keeps an eye on the streets while most people are at work.