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CellChangeTimes

is an option to Cell that specifies when changes were made to the cell.

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Basic Examples  
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CellChangeTimes

CellChangeTimes

is an option to Cell that specifies when changes were made to the cell.

Details

  • The setting for CellChangeTimes is a list containing AbsoluteTime numbers for time zone 0 (GMT).
  • The menu item Notebook History displays an overview of cell change times for a notebook, given in your local time zone.
  • If many cell changes are made close together, the start and end times appear in a sublist within the setting for CellChangeTimes.

Examples

Basic Examples  (1)

Create a notebook with a single cell:

Change the cell's contents:

Check when the cell was changed:

Convert the absolute time to a standard date format:

Wolfram Research (2007), CellChangeTimes, Wolfram Language function, https://reference.wolfram.com/language/ref/CellChangeTimes.html.

Text

Wolfram Research (2007), CellChangeTimes, Wolfram Language function, https://reference.wolfram.com/language/ref/CellChangeTimes.html.

CMS

Wolfram Language. 2007. "CellChangeTimes." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/CellChangeTimes.html.

APA

Wolfram Language. (2007). CellChangeTimes. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/CellChangeTimes.html

BibTeX

@misc{reference.wolfram_2025_cellchangetimes, author="Wolfram Research", title="{CellChangeTimes}", year="2007", howpublished="\url{https://reference.wolfram.com/language/ref/CellChangeTimes.html}", note=[Accessed: 06-August-2025]}

BibLaTeX

@online{reference.wolfram_2025_cellchangetimes, organization={Wolfram Research}, title={CellChangeTimes}, year={2007}, url={https://reference.wolfram.com/language/ref/CellChangeTimes.html}, note=[Accessed: 06-August-2025]}