1. (noun) a period of time equal to 1/24th of a day

• 60 minutes
• hr

2. (noun) clock time

• time of day

3. (noun) distance measured by the time taken to cover it

• minute

1. (noun) a period of time equal to 1/24th of a day

• man hour
• person hour
• sidereal hour

2. (noun) clock time

• aurora
• break of day
• break of the day
• cockcrow
• dawn
• dawning
• daybreak
• dayspring
• first light
• morning
• sunrise
• sunup
• bedtime
• canonical hour
• closing time
• crepuscle
• crepuscule
• dusk
• evenfall
• fall
• gloam
• gloaming
• nightfall
• twilight
• early-morning hour
• happy hour
• high noon
• midday
• noon
• noonday
• noontide
• twelve noon
• late-night hour
• mealtime
• midnight
• none
• rush hour
• small hours
• sundown
• sunset
• zero hour

1. (noun) a period of time equal to 1/24th of a day

• time unit
• unit of time

2. (noun) clock time

• clock time
• time

3. (noun) a special and memorable period

• period
• period of time
• time period

4. (noun) distance measured by the time taken to cover it

• distance

1. (noun) a period of time equal to 1/24th of a day

• horary
• hourly

2. (noun) clock time

• horary