A Connecticut Yankee in King Arthurs Court by Mark Twain Chapter 6 Page 11

That made an immense effect; up went appealing hands everywhere, and the king was assailed with a storm of supplications that I might be bought off at any price, and the calamity stayed. The king was eager to comply. He said:

“Name any terms, reverend sir, even to the halving of my kingdom; but banish this calamity, spare the sun!”

My fortune was made. I would have taken him up in a minute, but I couldn’t stop an eclipse; the thing was out of the question. So I asked time to consider. The king said:

“How long — ah, how long, good sir? Be merciful; look, it groweth darker, moment by moment. Prithee how long?”

“Not long.

Half an hour — maybe an hour.”