Legal Tools / Date Math
VariationFormulaTransformed Date
today=TODAY()Monday, December 15, 2025
1 day=Start_Date+1Tuesday, December 16, 2025
7 days=Start_Date+7Monday, December 22, 2025
14 days=Start_Date+14Monday, December 29, 2025
15 days=Start_Date+15Tuesday, December 30, 2025
30 days=Start_Date+30Wednesday, January 14, 2026
60 days=Start_Date+60Friday, February 13, 2026
90 days=Start_Date+90Sunday, March 15, 2026
180 days=Start_Date+180Saturday, June 13, 2026
1 business day=WORKDAY(Start_Date,1,USHOLIDAYS())Tuesday, December 16, 2025
5 business days=WORKDAY(Start_Date,5,USHOLIDAYS())Monday, December 22, 2025
10 business days=WORKDAY(Start_Date,10,USHOLIDAYS())Tuesday, December 30, 2025
20 business days=WORKDAY(Start_Date,20,USHOLIDAYS())Wednesday, January 14, 2026
30 business days=WORKDAY(Start_Date,30,USHOLIDAYS())Thursday, January 29, 2026
1 month=EDATE(Start_Date,1)Thursday, January 15, 2026
3 months=EDATE(Start_Date,3)Sunday, March 15, 2026
6 months=EDATE(Start_Date,6)Monday, June 15, 2026
last business day of this month=WORKDAY(EOMONTH(Start_Date,0)+1,-1,USHOLIDAYS())Wednesday, December 31, 2025
last day of this month=EOMONTH(Start_Date,0)Wednesday, December 31, 2025
1st day of next month=EOMONTH(Start_Date,0)+1Thursday, January 1, 2026
1st business day of next month=WORKDAY(EOMONTH(Start_Date,0),1,USHOLIDAYS())Friday, January 2, 2026
plus 1 year=DATE(YEAR(Start_Date)+1,MONTH(Start_Date),DAY(Start_Date))Tuesday, December 15, 2026
plus 2 years=DATE(YEAR(Start_Date)+2,MONTH(Start_Date),DAY(Start_Date))Wednesday, December 15, 2027
plus 3 years=DATE(YEAR(Start_Date)+3,MONTH(Start_Date),DAY(Start_Date))Friday, December 15, 2028
plus 5 years=DATE(YEAR(Start_Date)+5,MONTH(Start_Date),DAY(Start_Date))Sunday, December 15, 2030
plus 10 years=DATE(YEAR(Start_Date)+10,MONTH(Start_Date),DAY(Start_Date))Saturday, December 15, 2035
plus 20 years=DATE(YEAR(Start_Date)+20,MONTH(Start_Date),DAY(Start_Date))Friday, December 15, 2045
plus 30 years=DATE(YEAR(Start_Date)+30,MONTH(Start_Date),DAY(Start_Date))Wednesday, December 15, 2055
1 year end date=DATE(YEAR(Start_Date)+1,MONTH(Start_Date),DAY(Start_Date)-1)Monday, December 14, 2026
2 year end date=DATE(YEAR(Start_Date)+2,MONTH(Start_Date),DAY(Start_Date)-1)Tuesday, December 14, 2027
3 year end date=DATE(YEAR(Start_Date)+3,MONTH(Start_Date),DAY(Start_Date)-1)Thursday, December 14, 2028
5 year end date=DATE(YEAR(Start_Date)+5,MONTH(Start_Date),DAY(Start_Date)-1)Saturday, December 14, 2030
10 year end date=DATE(YEAR(Start_Date)+10,MONTH(Start_Date),DAY(Start_Date)-1)Friday, December 14, 2035
20 year end date=DATE(YEAR(Start_Date)+20,MONTH(Start_Date),DAY(Start_Date)-1)Thursday, December 14, 2045
30 year end date=DATE(YEAR(Start_Date)+30,MONTH(Start_Date),DAY(Start_Date)-1)Tuesday, December 14, 2055
30 days before 1 year end date=DATE(YEAR(Start_Date)+1,MONTH(Start_Date),DAY(Start_Date)-1)-30Saturday, November 14, 2026
60 days before 1 year end date=DATE(YEAR(Start_Date)+1,MONTH(Start_Date),DAY(Start_Date)-1)-60Thursday, October 15, 2026
90 days before 1 year end date=DATE(YEAR(Start_Date)+1,MONTH(Start_Date),DAY(Start_Date)-1)-90Tuesday, September 15, 2026
30 days before 5 year end date=DATE(YEAR(Start_Date)+5,MONTH(Start_Date),DAY(Start_Date)-1)-30Thursday, November 14, 2030
60 days before 5 year end date=DATE(YEAR(Start_Date)+5,MONTH(Start_Date),DAY(Start_Date)-1)-60Tuesday, October 15, 2030
90 days before 5 year end date=DATE(YEAR(Start_Date)+5,MONTH(Start_Date),DAY(Start_Date)-1)-90Sunday, September 15, 2030
30 days before 10 year end date=DATE(YEAR(Start_Date)+10,MONTH(Start_Date),DAY(Start_Date)-1)-30Wednesday, November 14, 2035
60 days before 10 year end date=DATE(YEAR(Start_Date)+10,MONTH(Start_Date),DAY(Start_Date)-1)-60Monday, October 15, 2035
90 days before 10 year end date=DATE(YEAR(Start_Date)+10,MONTH(Start_Date),DAY(Start_Date)-1)-90Saturday, September 15, 2035
You can paste these formulas into fields in AllDrafts to create smart documents with dynamically calculated dates. You can also use them in Excel or Google Sheets; replace Start_Date with a cell reference or name a cell containing a date Start_Date. USHOLIDAYS() is available in AllDrafts, but not in Excel or Google Sheets. You can remove , USHOLIDAYS() from formulas, or replace it with a reference to an array of holiday dates.
Calculated using US Federal Holidays from 01/01/2020 through 12/25/2058.
2025-2026 HolidaysDate
New Year's DayWednesday, January 1, 2025
Martin Luther King Jr. DayMonday, January 20, 2025
President's DayMonday, February 17, 2025
Memorial DayMonday, May 26, 2025
JuneteenthThursday, June 19, 2025
Independence DayFriday, July 4, 2025
Labor DayMonday, September 1, 2025
Columbus DayMonday, October 13, 2025
Veteran's DayTuesday, November 11, 2025
Thanksgiving DayThursday, November 27, 2025
Christmas DayThursday, December 25, 2025
New Year's DayThursday, January 1, 2026
Martin Luther King Jr. DayMonday, January 19, 2026
President's DayMonday, February 16, 2026
Memorial DayMonday, May 25, 2026
JuneteenthFriday, June 19, 2026
Independence Day (observed)Friday, July 3, 2026
Labor DayMonday, September 7, 2026
Columbus DayMonday, October 12, 2026
Veteran's DayWednesday, November 11, 2026
Thanksgiving DayThursday, November 26, 2026
Christmas DayFriday, December 25, 2026