Daylight Savings was originally a human named Samantha Calvin, was brought into Equestria by Luna after her father died of lung cancer and was able to meet her long lost brother Henry Calvin who is now Dusk Shine.

Now what I drew is probably not 100% accurate to what the author describes but I did my best.

Link to the fanfic "A Sparkle's Little Dusk III: Everlasting Family": https://www.fimfiction.net/story/496506/a-sparkles-little-dusk-iii-everlasting-family