Prince Philip, 95-year-old husband of Britain's Queen Elizabeth II, is to step down from public life, Buckingham Palace has announced. The prince, who has been at the Queen's side for her 65-year reign, will stop accepting invitations for public engagements from September, the palace said. April 4
The horoscope of UK [1 Jan. 1801; 0:00hrs, London] has Sun [10cp] on the IC [9cp]. The TNPs Kronos [9cn] and Hades [5cn] currently transit the MC of the UK chart. In previous posts 
we have shown how this combination signals the decline of a monarch or leader.
Kronos-Hades : Decline (or abdication) of a monarch
The table below gives the current solar arc progression for the MC.
Dynamic Chart :
UK - Natal Chart
1 Jan 1801 NS, 0:00 am, LMT +0:00:40
London UK, 51°N30', 000°W10'
Geocentric Tropical Zodiac
Placidus Houses, True Node
Selection: Solar Arc Dirns1
P1 (H) Asp P2 (H) Type Date Pos1 Pos2
MC (4) Sqr Mar (8) Sa-Na 12 Aug 2017 11°Aq45' D 11°Ta45' D
MC (4) Opp Atlant (10) Sa-Na 23 Aug 2018 12°Aq44' D 12°Le44' R
*** END REPORT ***
Among other things, the progressed MC represents the present condition of the monarch and of course Mars is all about energy and drive. Martha Wescott provides the following delineation:
MC-Atlantis: to have periods when one feels too exhausted or depleted to work.
Finally we note that the First Quarter Moon of April 2, 2017 with Sun [12ta] and Moon [12le] was activating the solar arc MC directions.