If you want to fill the current time in a certain cell in an Excel worksheet, use the = NOW function. First, move the cursor to any cell and then type the syntax = NOW (). The convenience of this function is that it doesn’t require any parameters inside parentheses. The result is the current time on the computer system.

**Syntax**: =NOW()

- The NOW function syntax has no arguments.

**Example 1**: To do that, we need to just insert the formula =NOW() in the cell where the current date and time should appear.

**Syntax**: =NOW()

**Result**:

**Example 2**: To do that, we need to just insert the formula =NOW() in the cell where the current date and time should appear.

**Syntax**:

**Now**: =NOW()- Last week this time: =NOW() – 7
- Next week this time: =NOW() + 7

**Result**:

Above, we have shown you how to use the NOW function in Excel through the Illustrations, you already know how to apply the NOW function to calculations on spreadsheets.