A week was a period of time equal to seven days. On Earth, the individual days of the week were respectively known as Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, and Saturday. Within the period of week was the weekend, which saw the end of one week and the beginning of another.
A galactic week was used by the Daleks. (COMIC: Return of the Daleks)
The young Jeanne-Antoinette Poisson remarked she had not seen the Tenth Doctor in weeks when he visited her in 18th century France. (TV The Girl in the Fireplace)
A week passed between Edward J Green meeting the Ninth Doctor in a newsagents and writing about his encounter with the Doctor on the conspiracy website Doctor Who? in March 2005. (PROSE: Have You Seen This Man? [+]Unknown, Who is Doctor Who? fiction (BBC, 2005).)
On 2 April 2005, a week after the Dummy Massacre, the new webmaster of Who is Doctor Who? wrote about the Dummy Massacre and how the attack wasn't being covered on World Media and how most people were so willing to forget. (PROSE: The Doctor Was Involved in the Dummy Massacre [+]BBC webteam, Who is Doctor Who? (BBC, 2005).)
Shortly following the London UFO crash in 2006, Rachel posted on the website Who is Doctor Who? to ask if any of the aliens were single as she broke up with her boyfriend Robbie last week and she felt it would be a good opportunity to get back at him. (PROSE: Alien landing confirmed [+]BBC webteam, Who is Doctor Who? (BBC, 2005).)
In 2006, the Geocomtex-sponsored essay competition on Who is Doctor Who? ran for a week. (PROSE: Essay Competition [+]BBC webteam, Who is Doctor Who? (BBC, 2005).)
Mickey Smith wrote on his website Who is Doctor Who? a week after (PROSE: World Saved. Who Cares? [+]BBC webteam, Who is Doctor Who? (BBC, 2005).) the Cardiff Earthquake. (PROSE: Cardiff Earthquake [+]BBC webteam, U.N.I.T. (BBC, 2005)., The Time Traveller's Almanac [+]Steve Tribe, BBC Books (2008). Chapter 3, "Everything Changes"; Page 74.)
UNIT's Sgt A. Frederick jokingly put a tenner on, that within a week, Anthea Turner would have a show on the alien's "TV channel", following their transmissions on Christmas Eve. (PROSE: Guinevere One [+]BBC webteam, U.N.I.T. (BBC, 2005).) The aliens were the Halvinor tribe of Sycorax, (PROSE: The Visual Dictionary [+]Andrew Darling, Kerrie Dougherty, David John and Simon Beecroft, Dorling Kindersley (2007). Page 82; Edition: 2010 reprint.) who used their transmissions to announce their invasion of Earth. (TV: The Christmas Invasion [+]Russell T Davies, Doctor Who Christmas special (BBC One, 2005).)
The members of LINDA met every week on Tuesday. Bliss, Bridget Sinclair and Colin Skinner were absorbed at different times after some weeks had passed. (TV: Love & Monsters)
After the readers of Defending the Earth! from the Doctor's universe found the password binary9 on the Internet in Pete's World, their correspondent "ChatGuest1" told them that they would be needing to use the password within the week. (GAME: Cybus Spy [+]Joseph Lidster, Defending the Earth! (BBC, 2006).)
From the perspective of Tommy Brockless, who spent only one day awake per year after being taken to be cyrogenically frozen by Torchwood Three in 1918, only three weeks passed between the end of World War I and the beginning of World War II. (TV: To the Last Man)
Georgette Gold suggested that Specimen Six Sigma's saucer had crashed weeks or months before it was retrieved from the planet. (COMIC: Liberation of the Daleks [+]Alan Barnes, DWM Comics (Panini Comics, 2022-2023).)
The Human-Hath War on Messaline lasted seven days, or "just a week" as Donna Noble put it. (TV: The Doctor's Daughter)
Male Gifftan pregnancy last for a week. (TV: The Tsuranga Conundrum)