FACTBOX: Timings for Prince Harry and Meghan Markle's wedding

LONDON (Reuters) - Britain’s Prince Harry and fiancée Meghan Markle will marry on Saturday in a ceremony that brings together royalty and Hollywood glamour.

A police officer chats to fans of Britain's Royal Familly in Windsor, Britain, May 17, 2018. REUTERS/Phil Noble

Queen Elizabeth’s grandson Harry and Markle, who starred in the TV drama “Suits”, will tie the knot at St George’s Chapel at Windsor castle, the oldest and largest inhabited fortress in the world.

Here are is an outline program of events (all times are approximate and in GMT):

0800 -

The 1,200 members of the public invited to the grounds of the castle for the wedding will begin to arrive.

0830 - 1000

The 600 guests for the ceremony will arrive by coach at the castle’s Round Tower. They will walk to the chapel and enter via the South Door.

1020 -

Members of the royal family will begin to arrive and will enter the chapel via the Galilee Porch. Some will be on foot and some will arrive by car.

At about this time, Markle and her mother will leave their hotel by car, traveling along the Long Walk promenade that runs up to the castle to allow spectators catch a glimpse of the bride on the way to the ceremony.

1030 -

Harry and William will arrive at the chapel, most likely on foot, and will enter by the chapel’s West Steps, having greeted some of the public and charity representatives invited to be in the grounds. Queen Elizabeth will be the last of the royals to arrive.

The car carrying Markle and her mother will stop at the chapel, where Ragland will head inside. Markle is due to be joined by some of the bridesmaids and page boys and continue to the West Steps, where she will enter the chapel.

1100 -

The service begins. David Conner, the Dean of Windsor, will conduct the service and Justin Welby, the Archbishop of Canterbury and spiritual leader of the world’s Anglicans, will officiate for the exchanging of vows.

Michael Curry, Presiding Bishop and Primate of the Episcopal Church, will give the address.

1200 -

The service ends. The newlyweds will process out of the chapel and then acknowledge the 200 specially invited charity representatives gathered in the Cloister outside.

Family members will gather on the West Steps while other members of the congregation will file out to wave off the couple as they begin a procession in an open Ascot Landau carriage. The procession will take the couple through Windsor before returning to the castle up the Long Walk after about 25 minutes.

1225 -

Guests at the chapel will walk to the reception at St George’s Hall, a grand banqueting room in the State Apartments. The couple will join them after the carriage procession.

1800 -

The bride and groom will leave the castle to attend an evening reception at nearby Frogmore House, which will be attended by 200 guests.

Reporting by Michael Holden; Editing by Guy Faulconbridge and Kevin Liffey