TODAY IN OPC HISTORY

Cedar Grove, Wisconsin

On June 9, 1936 Calvary OPC, Cedar Grove, WI was organized. Two days earlier,...

SHORT-TERM MISSIONS &
DISASTER RESPONSE

Short-Term Missions 2026

OPCSTM.org

OPCDisasterResponse.org

PLANNED GIVING

Smart and Powerful Giving

Increase the impact of your generosity through planned gifts.

QUESTION & ANSWER

When does the Lord’s Day begin and end?

Does the OPC have an official start and end time for the Lord’s Day, such as sunrise to sunrise, midnight to midnight, sunrise to sunset, or evening to evening?

MINISTERIAL CARE

It's no secret that some of the greatest stress we experience in marriage is financial. There are answers. Check out our review of Money Problems, Marriage Solutions.