LullbeeTwice a year the clock jumps an hour and every parent of a young child braces. Babies do not read clocks, they run on body time, and body time moves about 15 minutes a day at best. The whole game is spreading one hour over several days instead of absorbing it in one rough night.
The 4 day shift
Starting four days before the change, move the entire day, wake time, naps, meals, bedtime, by 15 minutes per day toward the new clock. For fall back, everything shifts 15 minutes later each day. For spring forward, 15 minutes earlier. By the day of the change, the body arrives already matched to the new time and nothing happens at all, which is the goal.
If it sneaks up
The forgotten-until-Saturday version works too, split the difference. Run everything 30 minutes off the new clock for two or three days after the change, then land on the normal times. A slightly odd half-week beats a fully derailed one.
Light and the anchor
Morning light is the strongest clock-setter there is, so open the curtains at the new wake time and get daylight into the first hour of the day. In the evening, keep the last hour dim. And hold the bedtime routine absolutely identical through the shift, same sequence, same song, same sound. When the clock is the thing moving, the ritual is what tells a baby bedtime is still bedtime. The familiar track matters more during this week than any other, which is exactly what a consistent Lullbee bedtime sound provides.