There are currently at least three bands called 11th Hour:

1) Dutch death/doom metal project of Ed Warby of Gorefest fame. The first album Burden of Grief was released in 2009.

2)
Band Biography
11th hour was birthed as a garage band of friends getting together to jam. With time and dedication the band has developed into more than just a hobby. 11th hour saturated themselves in all spectrums of what a band is, creating their own identity. 11th hour not only wrote and produced all their material, they managed themselves, handling their own booking, finances, website, promotions, and merchandise. On the books they were known as 11th Hour Live Music Inc. Over their many years of constantly performing, 11th hour maintained a strong presence on stage. Their sincere lyrics and dynamic sound was what enabled them to communicate not only through words but also project a spirit of hope. Transcending the typical rock and roll stereotype, 11th hour created original musical moments, which were the fundamental building blocks for their Up State rock sound.
Formed in June 2000 11th hour started out as a cover band, performing songs by bands such as Third Day, Jars of Clay, and Delirious. While playing live shows the band began writing their own original songs. After developing a strong set of original material and performing those songs over a number of months, 11th hour released done falling in November of 2002.
In the years following the release of done falling 11th hour proved their staying power through not one but two line up changes. This brought about not just a change of face but also the addition of new musical influences to an already unique sound. In late 2003, with the new line up, 11th hour began writing new songs for their upcoming sophomore album.
During this time 11th hour performed songs from done falling at more than two hundred shows. Building a strong reputation amongst their peers and fans, 11th hour’s music began to spread by word of mouth. This, coupled with strong promotions, took 11th hour from a local to a regional band.
While recording their second album, 11th hour maintained a regular practice and performance schedule. Balancing family, work, and the band; the members of 11th hour captivated and moved the audience night after night.

3) South African Rap-Metal band out of the east side of Johannesburg. Their first self-released album, Between Guilt and Innocence, was released in 2010. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.