Let's assume that your date is in Sheet1, Cell A1.
You can enter the following formula into ANY cell on ANY worksheet and
whatever is in cell A1, on Sheet1 will appear there.
=Sheet1!A1
If it is a date, make sure to format the new cell as a date.
If you worksheet has a space somewhere in the name, enclose it in single
quotes like this... = 'Some Sheet'!A1
The easiest way to accomplish your task is to...
in the NEW cell type an equal sign =
then selectthe worksheet where the data is ad select the cell
then hit the enter key.