Outside the Istana, the presidential palace where Trump was due to meet Singaporean Prime Minister Lee Hsien Loong, well-wishers displayed American flags and a boy held up a sign reading: "I love President Trump!".
Similar scenes were seen on Sunday when Kim and Trump arrived in the city, and when Kim went to meet Lee.
But it's Kim's pursuit of nuclear weapons that gives his meeting with Trump such high stakes.
Despite an enormous level of excitement amongst the general population both on the ground in Singapore and across the world at the prospect for nuclear disarmament and an end to the war between North and South Korea, expectations have been tempered by those involved.
Trump's two-day stop in Quebec for a meeting with the leaders of the Group of Seven industrial nations was exactly the fiasco many feared.
Police blocked roads outside Changi's VIP complex hours before Kim's arrival.
A CNN team was on the scene as Kim arrived at the St Regis Hotel Sunday.
New survey shows 42% of people in the North want united Ireland
Notwithstanding the actual feasibility of this deadline, the ambiguity of that formulation raises two possible scenarios. Both sides want a deal by October to avoid barriers on the Irish land border that might fuel new conflict in the north.
"Wide-ranging and profound views on the issue of establishing new DPRK-U.S. relations, the issue of building a permanent and durable peace-keeping mechanism on the Korean Peninsula, the issue of actualizing the denuclearization of the Korean peninsula and other issues of mutual concern" will be discussed, state-run KCNA reported early Monday.
The US president flew in on board Air Force One on Sunday, arriving from Canada where a G7 summit ended in a war of words over trade between Mr Trump and his allies. "He's got an opportunity, the likes of which I think nearly - if you look into history - very few people have ever had".
On the other side, for Kim sharing a common platform with the United States president is itself a landmark as previously the U.S. leaders have avoided doing so.
President Trump has said he will use the summit, scheduled to begin Tuesday, to push for North Korea's denuclearization.
Reportedly, the test was conducted during the time when Donald Trump chose to tighten economic sanctions against North Korea and raised the possibility of military action.
Sen. Bob Menendez of New Jersey says: "To the extent that Kim Jong Un has already gone from global pariah to being normalized internationally, you have to say that he's had some success here". He called for North Korea to follow a "Libya model" in negotiations.
After a flurry of diplomatic efforts, including a White House meeting between by Kim's right-hand man Kim Yong-chol and Trump, the proposed summit was put back on.