The Day is a 1960 short film co-written and directed by Peter Finch. It is a fictionalized documentary on a young boy's life on the Spanish island of Ibiza.

Effect of mental stress throughout the day on cardiac autonomic control.
Seize the State, Seize the Day: State Capture, Corruption and Influence in Transition
An abrupt shift in the day/night cycle causes desynchrony in the mammalian circadian center.
The successful use of pronuclear embryo transfers the day following oocyte retrieval.
A survey method for characterizing daily life experience: the day reconstruction method
Characterization of definitive lymphohematopoietic stem cells in the day 9 murine yolk sac
Trends and factors associated with the Day 5 embryo transfer, assisted reproductive technology surveillance, USA, 2001–2009
Volume and Frequency of Breastfeedings and Fat Content of Breast Milk Throughout the Day
Documentation of hyperglucagonemia throughout the day in nonobese and obese patients with noninsulin-dependent diabetes mellitus.
Endometrial evaluation by aspiration biopsy on the day of oocyte retrieval in the embryo transfer cycles in patients with serum prog...