Hosts and series leaders the Black Ferns Sevens, Olympic champions Australia and France currently sit top of their respective pools, the latter two on points difference only from USA and Canada respectively, after all enjoyed two victories from two on Saturday.
Fiji and China were the two other winners on the opening day of the first ever women's series event in New Zealand, Fiji having held on to beat England in their opener after a impressive first-half display but then lost to 19-12 to the weekend's invitational side China thanks a late brace by Yang Feifei
The pool stage concludes on Sunday after which the three teams topping their respective pools and the best runner-up will progress straight to the Cup semi-finals. The other teams will go into play-offs to determine the rankings from fifth to 12th.
This weekend's tournament is the first women's HSBC World Rugby Sevens Series event to be held in New Zealand and comes as World Rugby has expanded the women's series to a record eight rounds this season.
Hamilton also marks the start of an Olympic year for rugby sevens where it will be played as part of the Olympic Games programme for the second time in Tokyo this summer.
The action in Hamilton gets back underway at 8:45am NZT on 26 January with Spain's Pool C encounter against Ireland. The Black Ferns Sevens are in action at 10.35pm when they take on Fiji in their final pool game.
Watch the action live on Sky Sport NZ in New Zealand.