late in the day

late in the day idiom
Far advanced; also, too far advanced. For example, It's late in the day to change the kitchen layout, since we've already ordered the cabinets, or It's a bit late in the day for apologizing. [Late 1700s]

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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