Winter Solstice 2018 Is Friday, December 21 — 5:23 PM Eastern In New Hampshire.
Click to ENLARGE.
It is sunrise that continues to be tardy.
Notice that sunrise does NOT get earlier following the Solstice!
If anything it continues to get later and later.
It is LATER SUNSETS that are making the daylight longer.
Sunrise does not start getting earlier until January 18, 2019.