Christmas

Exactly after 114 hours we sit down to Christmas Eve table. What day and what time it was when Dad said this sentence. The Christmas Eve table they sit down exactly on the 18-o'clock (6 PM).

Correct result:

D =  21
h =  14

Solution:

$$\begin{gathered} D=24-((76-18)\mathrm{/}24)\doteq 24-3=21 \\ D=\mathrm{21.12.} \end{gathered}$$

$$\begin{gathered} h=24-(76-18)\mathrm{m}\mathrm{o}\mathrm{d}24=24-58\mathrm{m}\mathrm{o}\mathrm{d}24 \\ h=24-10=14 \\ h=14:00 \end{gathered}$$

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