[wwrsimon]

I'd forgotten to check, but the Kracker Archive has this for Roden, which implies it was indeed later in the day?

KIA 18 July, 1943 during aerial combat in his G-6 with Beaufighters and Spitfires over the North Sea, 20 km W of Den Helder. Buried Ysselsteyn BT/2/39.
He crashed his A-4 at Zierikzee, with injuries, 1 km southeast of Haveningang Holland on 5 October, 1942 (DeSwart).
One known victory, his 1st, a Mosquito IV "DK 332" of RAF No. 105 Sq. near Tourinnes-la-Grosse, 11 km SSE of Leuven Belgium, on 6 September, 1942. His 3rd & 4th, a Ventura and a P-38, on 4 April, 1943.
Note: The Dutch research group identified the G-6 as Wk# 19852, where another source revealed the Wk# as 19853.