House of the Dragon: Season 1 Timeline (112—132AC)
— 81 AC*: Birth of Daemon Targaryen, (16 years older than Rhaenyra) — 97 AC*: Birth of Rhaenyra Targaryen*, Alicent Hightower and Laenor Velaryon — 110 AC: Birth of Laena Velaryon — 101 AC*: The Great Council takes place at Harrenhal. Rhaenyra is four years old, so Aemma is pregnant with one of her siblings.
— 103 AC*: Death of King Jaeherys, and start of King Viserys' reign.
— 112 AC: "The Heirs of the Dragon" is set in 112AC according to HBO. This keeps Jaeherys' death (103 AC) and Daenerys' birth (284 AC) same as book canon. Alicent and Rhaenyra are both 14, according to the script & their actresses.
— 112 AC: "The Rogue Prince" takes place roughly 6 months later, and Rhaenyra has turned 15, keeping her birth year as 97AC. Laena is 12 years old, making her birth year 100 AC. Daemon is 31, according to Emma D'Arcy.
— 113 AC: Birth of Aegon II Targaryen (9 months of pregnancy = 113AC). Alicent and Rhaenyra are 15 (nearly 16) years old when she gives birth.
— 115 AC: "Second Of His Name" takes place 3 years later. It is Aegon's 2nd name-day. The war in the Stepstones has lasted three years and Alicent is in the last months of her pregnancy with Helaena. Rhaenyra is 17, nearly 18 years old.
— 115 AC: Birth of Helaena Targaryen — 115 AC: Laena claims Vhagar
— 115-116 AC (1st option): Birth of Aemond Targaryen. As Alicent is not visibly pregnant in the next two episodes, Aemond could have been born during this skip, making him and Helaena less than 12 months apart.
— 116 AC: "King of the Narrow Sea" takes place a year later, as Aegon is said to be 3 years old, making Haelena making 1 year old. Rhaenyra is 18, nearly 19 years old and Daemon is 35.
— 116 AC: "We Light The Way" takes place a day or days after the previous episode. Laena is 16 years old.
— 116-117 AC: Birth of Jaecerys Velaryon & Baela Targaryen. Unlike F&B where they are twins, according to HBO Baela is Rhaena's older sister. — 116-117 AC (2nd option): Alternative year for the birth of Aemond Targaryen, however this would make him only 15/16 by the season's finale — 118 AC: Birth of Lucerys Velaryon & Rhaena Targaryen.
— 126 AC: "The Princess and the Queen" takes place 10 years after the previous episode. Ages are as follows: Daemon (45), Rhaenyra/Alicent (28/29), Laena (26), Aegon (13), Helaena (11), Aemond (10-11), Jaecerys/Baela (9-10), Lucerys/Rhaena (8), with Joffrey having just been born.
— 126 AC: "Driftmark", takes place only days later. Helaena and Aegon are betrothed between this and the previous episode.
— 126-132 AC: Birth of Aegon III & Viserys II. Also birth of Jaehaera & Jaehaerys (either 126AC if immediate, or 128AC if Helaena is 13 years old as in F&B). — 132 AC: "Lord of the Tides" takes place 6 years later. It It's been nearly 20 years since the pilot (112 AC). The ages are as follows: Daemon (51), Rhaenyra/Alicent (34/35), Aegon II (19), Helaena (17), Aemond (16-17), Jacaerys/Baela (15-16), Lucerys/Rhaena (14), Joffrey (6).
— 132 AC: "The Green Council" takes place the morning after Viserys' death.
— 132 AC: "The Black Queen" takes place a day after the previous episode. Rhaenyra remarks Lucerys is fourteen years old, making his birth year 118AC, same as Rhaena.
[note: * = same as book canon]










