Using this site, http://www.timeanddate.com/date/dateadd.html

i put the date of 24th Jan 2259 00:00:01 and subtracted 7 years, 73 days and 12 hours 34 times, and got the following.

Result 1: Tuesday, 11 November 2251, 12:00:01

Result 2: Friday, 30 August 2244, 00:00:01

Result 3: Saturday, 17 June 2237, 12:00:01

Result 4: Monday, 5 April 2230, 00:00:01

Result 5: Tuesday, 21 January 2223, 12:00:01

Result 6: Thursday, 9 November 2215, 00:00:01

Result 7: Saturday, 27 August 2208, 12:00:01

Result 8: Monday, 15 June 2201, 00:00:01

Result 9: Wednesday, 2 April 2194, 12:00:01

Result 10: Friday, 19 January 2187, 00:00:01

Result 11: Saturday, 6 November 2179, 12:00:01

Result 12: Tuesday, 25 August 2172, 00:00:01

Result 13: Wednesday, 12 June 2165, 12:00:01

Result 14: Friday, 31 March 2158, 00:00:01

Result 15: Saturday, 16 January 2151, 12:00:01

Result 16: Monday, 4 November 2143, 00:00:01

Result 17: Wednesday, 22 August 2136, 12:00:01

Result 18: Friday, 10 June 2129, 00:00:01

Result 19: Saturday, 28 March 2122, 12:00:01

Result 20: Monday, 14 January 2115, 00:00:01

Result 21: Tuesday, 1 November 2107, 12:00:01

Result 22: Friday, 20 August 2100, 00:00:01

Result 23: Sunday, 7 June 2093, 12:00:01

Result 24: Tuesday, 26 March 2086, 00:00:01

Result 25: Wednesday, 11 January 2079, 12:00:01

Result 26: Friday, 30 October 2071, 00:00:01

Result 27: Sunday, 17 August 2064, 12:00:01

Result 28: Tuesday, 5 June 2057, 00:00:01

Result 29: Wednesday, 23 March 2050, 12:00:01

Result 30: Friday, 9 January 2043, 00:00:01

Result 31: Saturday, 27 October 2035, 12:00:01

Result 32: Tuesday, 15 August 2028, 00:00:01

Result 33: Wednesday, 2 June 2021, 12:00:01

Result 34: Friday, 21 March 2014, 00:00:01

so the last one started 21st March 2014 middnight till 2nd June 2015 midday, so we have missed it by only 2 months.....

the next will start on the 2nd June 2021 at Midday, till 15th August 2022 at Midnight