2-km, 5-km and 10-km Pokémon Eggs obtained during the event would hatch more of these Pokémon. Only these Pokémon were hatching from eggs during the event. After this time the all hatchlings were the same as prior the event. 
Shop special offer
The following offers were available from the shop from the start of the event. This offer was available from September 22nd, 2017 through October 3rd, 2017.
- The event was extended by 24-hours, following a login issue on September 26th, 2017.
- The event ended at exactly 1:00pm PDT.
- Celebrate the Equinox!. Pokémon GO Live. Retrieved on 2017-09-20.
- The Equinox Egg Pool & Rarity Tier Shakeup. /r/TheSilphRoad. Retrieved on 2017-09-27.
- Event Box Contents. /r/TheSilphRoad. Retrieved on 2018-12-17.
- The equinox celebration will be extended by 24-hours and will now end at 1:00 P.M. PDT on October 3. Facebook. Retrieved on 2017-09-27.
- Equinox Event is Over. /r/TheSilphRoad. Retrieved on 2017-10-04.