timetable
a schedule showing times of events or departures
The train's timetable shows departures every hour.
timeless
not affected by the passage of time; eternal or classic
Her music has a timeless quality that appeals to all ages.
timely
happening at a suitable or opportune moment
A timely warning prevented a serious accident.
overtime
time worked beyond the scheduled hours; additionally, beyond regular time
She earned extra pay for working overtime.
bedtime
the usual time for going to bed
The child's bedtime is eight o'clock.
playtime
a period allocated for playing, especially for children
The children ran outside during playtime.
daytime
the period of the day when there is daylight
We prefer to do the hike in the daytime.
nighttime
the period of the day when it is dark; night
Many animals are more active at nighttime.
halftime
the intermission between two halves of a sports game
The team discussed strategy during halftime.
sometime
at some unspecified time; formerly or occasionally
Let's meet sometime next week.