Matches in Library of Congress for { ?s ?p What is time? -- Patterns in time: days, months, and years -- Hours and minutes -- Calendars -- The names of the months -- Day names -- Timers -- The first clocks -- Today's clocks and watches -- Astronomers and timekeeping -- What's the time? -- Atomic clocks.. }
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- 00010541 description "What is time? -- Patterns in time: days, months, and years -- Hours and minutes -- Calendars -- The names of the months -- Day names -- Timers -- The first clocks -- Today's clocks and watches -- Astronomers and timekeeping -- What's the time? -- Atomic clocks.".
- 00010541 tableOfContents "What is time? -- Patterns in time: days, months, and years -- Hours and minutes -- Calendars -- The names of the months -- Day names -- Timers -- The first clocks -- Today's clocks and watches -- Astronomers and timekeeping -- What's the time? -- Atomic clocks.".