Technically, yes, depending on what you mean by "occur". If the new moon "occurs" when the moon is in the sky from your perspective, then that is during the day. The sun and moon are in the sky at the same time. You don't see the moon then, of course, because it doesn't reflect any light. You...
Um...
"when you travel round the magnetic fields, starting and stopping at the same position, you have gained energy,"
So what energy do they use to "travel round the magnetic fields"... electricity from solar panels? Or do they just turn a crank for hours - after heaving a healthy lunch? ;)