List of public, and national holidays observed in Tonga in 2021.
All National holidays in Tonga are observed as per government declaration of public holidays. All banks, government offices and education institutions remains closed in Tonga during these national holidays. Tonga holiday calendar for year 2021.
|Friday||New Year's Day||National Holiday|
|Friday||Good Friday||National Holiday|
|Monday||Easter Monday||National Holiday|
|Sunday||Anzac Day||National Holiday|
|Monday||Emancipation Day (in lieu)||National Holiday|
|Sunday||Official Birthday of HM King Tupou VI||National Holiday|
|Monday||Official Birthday of HM King Tupou VI (in lieu)||National Holiday|
|Friday||Birthday of HRH Crown Prince (Birthday of the Heir to the Crown)||National Holiday|
|Monday||Constitution Day (in lieu) (National Day)||National Holiday|
|Monday||Tupou I Day (in lieu)||National Holiday|
|Saturday||Christmas Day||National Holiday|
|Monday||Boxing Day (in lieu)||National Holiday|