The Honkai Star Rail 2.1 release is next on the game's itinerary, and it will bring forth a bunch of content, including fresh events, quests, and more. The Acheron banner is also a major highlight of the patch, considering the character is a coveted 5-star unit that will debut in the first phase. HoYoverse has scheduled version 2.1 to launch globally on March 27, 2024.The update will be preceded by a mandatory maintenance break, lasting roughly five hours. The developers use the time to prepare for the next patch while fixing any bugs or issues in the game.This article outlines everything there is to know about the Honkai Star Rail 2.1 release. Readers will also find a countdown below for the Acheron banner, which also doubles as a tracker for the update.Honkai Star Rail 2.1 release date and server maintenance detailsAccording to the official announcement, Honkai Star Rail 2.1 will be released on March 27, 2024. HoYoverse has yet to reveal the exact launch time of the patch, but based on previous updates, the server should be live at 11 am (UTC+8). Therefore, the maintenance should commence five hours before the update, around 6 am (UTC+8).Since the server goes live simultaneously, it might confuse players from different locations. Hence, we have listed below the v2.1 launch time for some major regions.Bear in mind that America will receive the update on March 26, 2024, due to time zone differences.America (March 26, 2024)Pacific Daylight Time8 pmMountain Daylight Time9 pmCentral Daylight Time10 pmEastern Daylight Time11 pmEurope (March 27, 2024)Western European Time3 amCentral European Time4 amEastern European Time5 amAsia (March 27, 2024)India Standard Time8:30 amChina Standard Time11 amJapan Standard Time12 pmKorea Standard Time12 pmHonkai Star Rail 2.1 Acheron banner countdownHonkai Star Rail 2.1 will feature the Acheron banner in the first half. This is a limited-time warp that will be available as soon as the server goes live.The countdown below shows the time remaining until the release of the Acheron banner in patch 2.1. Remember that the timer does not account for any delay or rescheduling whatsoever.Once the countdown ends, Trailblazers should be able to access the latest version of the game and its featured content.For those out of the loop, Acheron banner details were shared during the version 2.1 Special Program. Here are the 4-star characters featured in the warp, based on the official information:Gallagher (Fire, Abundance Path)Pela (Ice, Nihility Path)Dan Heng (Wind, The Hunt Path)The first half of patch 2.1 also marks Luocha’s rerun. He is a 5-star unit that excels at healing allies thanks to the Abundance Path.