[6][7][8] On July 26, 2022, IU posted a teaser image featuring the text "The Golden Hour" and the tag "under the orange sun", lyrics from her 2020 song "Eight", on her social media accounts.

[9] In 2020, IU had announced that she would be holding a solo concert at the Jamsil Olympic Stadium in Seoul to mark the 12th anniversary of her debut; however, it was canceled due to the COVID-19 pandemic.

[11] Fans from various ages ranging from 10s to 60s came to the concert wore IU's signature color purple T-shirt, accessories and pants.

"[16] On the same day, the singer also experienced hearing difficulties and struggled to keep her performance going as her patulous Eustachian tube worsened due to the extreme humid and hot weather.

"[22] The main stage was accompanied by live musicians such as guitar, keyboard, drums, percussion, and bass, and dozens of choreographers.

[23] It also featured the standard massive LED screens that filled the front of the main stadium, as well as official light sticks of IU's fan club held by over 40,000 spectators with mapping technology, the main stadium was filled with various colours such as orange, red, white, emerald, purple, and pink for each stage change and performances.

[24][25] She addressed that she "always wanted to sing 'Eight' at sunset, so I planned it for a long time, and I feel good because it seems to have happened.

"[26] IU performed in a pink hot air balloon during "Strawberry Moon" and "Hold My Hand" to ensure she could reach and interact with the audience at the 2nd and 3rd levels of the venue.

[27] During "Above The Time", hundreds of drones shown a variety of images by changing from the silhouette of IU, the logo of Uaena (the official fandom name), the watch, etc.

[28] Park Sang-hoo, a reporter from JTBC News named the 2-day concert the first and best live show and praised IU for writing "a new history in the Korean pop music world".

She also added the reason why the performance was special was that "everything you see, hear, and feel, including hot air balloons, large-scale firecrackers, and drone shows, is made up of all-time highs."

[32] Herald Business Corporation's Seo Byung-ki highlighted in his article the 3 aspects of IU's performance that stood out – impressive stage interaction, boldly invested production costs that delighted the eyes and ears, and a concert that showed a lot of preparation.

[36][37] On August 5, IU's label Edam released additional information regarding COVID-19 restrictions during the concert and illegal ticket transaction policy.

[44][45] The movie IU Concert: The Golden Hour drew over 85,000 spectators in South Korea and grossed over $1,500,000 (2 billion ₩) during its theatrical run.