The fifth day of the week in many religious traditions, and the fourth day of the week in systems using the ISO 8601 norm; it follows Wednesday and precedes Friday.
"In both traditional calendars and ISO 8601 standards, Thursday is recognized as the fifth or fourth day of the week, sitting between Wednesday and Friday."
In plain English: Thursday is the fifth day of the week, coming after Wednesday and before Friday.
"We usually go to the movies on Thursday nights after work."
on Thursday
"We always have our weekly team meeting on Thursday at noon."
Thursday comes from Old English and is named after the Norse god Thor, reflecting its original meaning as "Thor's day." The name traveled into English through North Germanic languages rather than evolving directly from a contraction of earlier English words.