This is documentation for Mathematica 6, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.2)
Built-in Mathematica Symbol


is an option to Cell that specifies when changes were made to the cell.
  • 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.
New in 6