The Last Kingdom

the timeline

Gyda was born in year 864

Season 1 episode 1 - year 866
Gyda was 2 years old

Season 1 - year 875
Gyda was 19 years old

Season 2 - year 879 to 886
Gyda was 23 to 30 years old

Season 3 - year 893 to 900
Gyda was 37 to 44 years old

Season 4 - year 905 to 910
Gyda was 49 to 54 years old

Season 5 - year 918
Gyda was 62 years old