| DAYS | =DAYS(end_date, start_date) | Returns the number of days between two dates |
| NETWORKDAYS | =NETWORKDAYS(start_date, end_date, [holidays]) | Returns the number of whole workdays between two dates |
| NOW | =NOW() | Returns the current date and time formatted as a date and time |
| TODAY | =TODAY() | Returns the current date formatted as a date |
DAYS
NETWORKDAYS
NOW / TODAY
