Shortcut key used in MS Excel to insert current time is:

🧠 Explanation:

In Microsoft Excel, pressing Ctrl + Shift + ; inserts the current time into a selected cell. This shortcut enhances efficiency by quickly capturing the system’s time without manual entry. Other shortcuts, like Ctrl + - (delete cells) or Ctrl + Shift + D (no standard function), serve different purposes. Mastering Excel shortcuts is vital for data management, as they streamline tasks like time tracking or data logging. For example, Ctrl + ; inserts the current date, complementing the time function. This functionality underscores Excel’s utility in time-sensitive data operations, ensuring accuracy and productivity in spreadsheet tasks.