Table:
text: List of Australian Prime Ministers by age
List of officeholders
List of officeholders
_ Prime_Minister Date_of_birth Start_date_of_first_term Age_at_beginning_of_first_term End_date_of_final_term Total_time_in_office Date_of_death Lifespan_
8 Stanley Bruce 15 April 1883 9 February 1923 39 years, 300 days 22 October 1929 2,447 days 25 August 1967 30,812 days (84 years, 132 days)
9 James Scullin 18 September 1876 22 October 1929 53 years, 34 days 6 January 1932 806 days 28 January 1953 27,890 days (76 years, 132 days)
10 Joseph Lyons 15 September 1879 6 January 1932 52 years, 113 days 7 April 1939 2,648 days 7 April 1939 21,753 days (59 years, 204 days)
11 Earle Page 8 August 1880 7 April 1939 58 years, 242 days 26 April 1939 19 days 20 December 1961 29,718 days (81 years, 134 days)

Question: On list of Australian Prime Ministers by age, how long was Joseph Lyons in office?