a period of time equal to a twenty-fourth part of a day and night and divided into 60 minutes
the time of day at which an attack, landing, or other military operation is scheduled to begin
an hour regarded in terms of the amount of work that can be done by one person within this period
a measure of electrical energy equivalent to a power consumption of one watt for one hour
the time at which a planned operation, typically a military one, is set to begin
a period in the evening during which many children and their families watch television, especially 8 to 9 p.m.
the first hour after the occurrence of a traumatic injury, considered the most critical for successful emergency treatment
a period of the day when drinks are sold at reduced prices in a bar or restaurant
a measure of electrical energy equivalent to a power consumption of 1,000 watts for 1 hour
a period in school set aside for developing reading skills, introduced as a daily requirement in English primary schools in 1998
daily (or hourly, etc.); as the days (or hours, etc.) pass