Appendix D: SAR Critical-Dates Charts and Terminology

Critical-Dates Charts for 2026

Click on a link to see the chart for that month.

• January

• February

• March

• April

• May

• June

• July

• August

• September

• October

• November

• December

Critical-Dates Charts for 2025

Click on a link to see the chart for that month.

• January

• February

• March

• April

• May

• June

• July

• August

• September

• October

• November

• December

Critical-Dates Charts for 2024

Click on a link to see the chart for that month.

• January

• February

• March

• April

• May

• June

• July

• August

• September

• October

• November

• December

Critical-Dates Charts for 2023

Click on a link to see the chart for that month.

• January

• February

• March

• April

• May

• June

• July

• August

• September

• October

• November

• December

Critical-Dates Charts for 2022

Click on a link to see the chart for that month.

• January

• February

• March

• April

• May

• June

• July

• August

• September

• October

• November

• December

Critical-Dates Charts for 2021

Click on a link to see the chart for that month.

• January

• February

• March

• April

• May

• June

• July

• August

• September

• October

• November

• December

Critical-Dates Charts for 2020

Click on a link to see the chart for that month.

• January

• February

• March

• April

• May

• June

• July

• August

• September

• October

• November

• December

Critical-Dates Charts for 2019

Click on a link to see the chart for that month.

• January

• February

• March

• April

• May

• June

• July

• August

• September

• October

• November

• December

Critical-Dates Charts for 2018

Click on a link to see the chart for that month.

• January

• February

• March

• April

• May

• June

• July

• August

• September

• October

• November

• December

Critical-Dates Charts for 2017

Click on a link to see the chart for that month.

• January

• February

• March

• April

• May

• June

• July

• August

• September

• October

• November

• December

Critical-Dates Charts for 2016

Click on a link to see the chart for that month.

• January

• February

• March

• April

• May

• June

• July

• August

• September

• October

• November

• December

Critical-Dates Charts for 2015

Click on a link to see the chart for that month.

• January

• February

• March

• April

• May

• June

• July

• August

• September

• October

• November

• December

Critical-Dates Charts for 2014

Click on a link to see the chart for that month.

• January

• February

• March

• April

• May

• June

• July

• August

• September

• October

• November

• December

Critical-Dates Charts for 2013

Click on a link to see the chart for that month.

• January

• February

• March

• April

• May

• June

• July

• August

• September

• October

• November

• December

Critical-Dates Charts for 2012

Click on a link to see the chart for that month.

• January

• February

• March

• April

• May

• June

• July

• August

• September

• October

• November

• December

Terminology

Click here to see explanations of the terminology.

Updated November 19, 2025, Replacing November 25, 2024