The Duke of Sussex paid his respects, alongside brother Prince William, at the Cenotaph in 2019.
Prince Harry has been left "saddened" after he was "refused permission" to lay Remembrance Sunday at Cenotaph.
Markle and Prince Harry have received backlash for encouraging people to vote, despite other members of the royal family doing the same for years with no criticism. The Duke of Cambridge served in the military for seven years. William also stepped forward with a wreath donned in his Royal Air Force uniform. An officer from the intelligence corps placed a wreath from The Duke of Edinburgh, who was not at the event.
On the interview with the Declassified podcast, he described the day as "a moment for respect and for hope".
He added: "The act of remembering, of remembrance, is a profound act of honour".
"It's how we preserve the legacies of entire generations and show our gratitude for the sacrifices they made in order for us to be able to live the lives we live today".
The Duke first laid a wreath at the Cenotaph in 2009 at the age of 25.
Prince Andrew, the Duke of York, is also not expected to attend the ceremony, reports The Times.
Charles' other son, Prince Harry, wasn't present but spoke about what serving for his country in Afghanistan meant to him.
The Queen at Remembrance Sunday
Harry also shared his experiences during the podcast and said he was grateful for his relationship with the veterans, saying coming together was "like meeting an older partner".
In a brief ceremony at Westminster Abbey on Wednesday, the Queen wore a face mask in public for the first time as she commemorated the 100th anniversary of the interment of the Unknown Warrior - who represents the First World War soldiers whose place of death is not known or whose remains are unidentified.
'I wear it to celebrate the courage and determination of all our elders and their loved ones, especially those in our Invitas family.
In 2014, he founded the Invictus Games, an global sporting event for wounded, injured and sick Service personnel.
The public were unable to attend this year, with the event taking place during a second national lockdown in England, and were instead encouraged to take part in the two-minute silence at home.
"In this challenging year, we have perhaps come to realise that the freedoms for which they fought are more precious than we knew, and that the debt we owe them is even greater than we imagined", he said.
It was created to honor the 1918 armistice that ended World War I, but has since been used to pay tribute to all people lost in military service.
Speaking of his own service, he said: "When I get asked about this period of my life I draw from memories, I draw from what I remember and who I remember".
Paul Burrell, who was closely associated with the late Princess of Wales, doesn't see the current state of the royal household too differently from the time Diana lived in the palace.
