That was 12:06 p.m. local time
in Madrid.
Citations.
MLA
"El Mundo homepage at Sept. 23, 2017, 10:06 a.m. UTC." PastPages. 23 Sept. 2017. Web. 27 Jan. 2021. <http://www.pastpages.org/screenshot/3539310/>
APA
El Mundo homepage at Sept. 23, 2017, 10:06 a.m. UTC. (2017, Sept. 23). PastPages. Retrieved from http://www.pastpages.org/screenshot/3539310/
Chicago
"El Mundo homepage at Sept. 23, 2017, 10:06 a.m. UTC." PastPages. Last modified September 23, 2017, http://www.pastpages.org/screenshot/3539310/.
Wikipedia
{{cite web
| url = http://www.pastpages.org/screenshot/3539310/
| title = El Mundo homepage at Sept. 23, 2017, 10:06 a.m. UTC
| publisher = PastPages
| date = Sept. 23, 2017
| accessdate = Jan. 27, 2021
| ref = {{harvid|PastPages-3539310|2017}}
}}