Mercury Retrograde Shadow 2024 Dates. The mercury retrograde shadow dates refer to the period when mercury starts to slow down before going retrograde and when it gradually regains its normal speed after the. Mercury will retrograde from aug.

From april 1 to april 25, from august 4 to august 28, and from november 25 to december 15. December 13, 2023, to january 1, 2024;