Columbus, Ohio, is in the Eastern Time Zone, for which the civil time is equal to...

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Columbus, Ohio, is in the Eastern Time Zone, for which the civil time is equal to the mean solar time along the 75° W meridian of longitude. (a) Ignoring daylight saving time for the moment, are there any days of the year when civil noon (as shown by a clock) is the same as apparent local noon (as shown by the Sun) in the city of Columbus? If so, what day or days are they? (b) Daylight saving time advances the clock by one hour from the second Sunday in March to the first Sunday in November ("Spring forward, fall back"). When daylight saving time is in effect, are there any days of the year when civil noon is the same as apparent local noon in the city of Columbus? If so, what day or days are they? Columbus, Ohio, is in the Eastern Time Zone, for which the civil time is equal to the mean solar time along the 75° W meridian of longitude. (a) Ignoring daylight saving time for the moment, are there any days of the year when civil noon (as shown by a clock) is the same as apparent local noon (as shown by the Sun) in the city of Columbus? If so, what day or days are they? (b) Daylight saving time advances the clock by one hour from the second Sunday in March to the first Sunday in November ("Spring forward, fall back"). When daylight saving time is in effect, are there any days of the year when civil noon is the same as apparent local noon in the city of Columbus? If so, what day or days are they?