It will be a full day of remembrance for President George H.W. Bush today. Wednesday will start with a service in Washington D.C. and end with another service here in Houston.

The state funeral in D.C. begins at 10 a.m. Houston time. The funeral for President Bush will be held at the National Cathedral. George W. Bush is delivering a tribute, while former First Lady Laura Bush will offer a reading.

Former Senator Alan Simpson of Wyoming, Mr. Bush’s biographer and historian John Meacham and former Canadian Prime Minister Brian Mulroney will also make tributes during the ceremony.

More than a dozen world leaders are expected to attend the service including Prince Charles and Angela Merkel.

Former Presidents Barack Obama, Bill Clinton, Jimmy Carter and their spouses will be in attendance as well.

READ: Road closures, security measures for President George H.W. Bush's service in Houston

At 12:30 p.m., when the funeral is over, President Bush’s casket will leave for Joint Base Andrews in Maryland and head back to Houston.

At 5:45 p.m., a ceremony will be held at St. Martin’s Episcopal Church in Houston before the 41st president lies in repose until Thursday at 6 a.m.

MORE: How to pay your respects to President George H.W. Bush in Houston