That was 12:21 a.m. local time
in Mexico City.
Citations.
MLA
"El Universal homepage at Feb. 13, 2017, 6:21 a.m. UTC." PastPages. 13 Feb. 2017. Web. 20 Feb. 2019. <http://www.pastpages.org/screenshot/3298161/>
APA
El Universal homepage at Feb. 13, 2017, 6:21 a.m. UTC. (2017, Feb. 13). PastPages. Retrieved from http://www.pastpages.org/screenshot/3298161/
Chicago
"El Universal homepage at Feb. 13, 2017, 6:21 a.m. UTC." PastPages. Last modified February 13, 2017, http://www.pastpages.org/screenshot/3298161/.
Wikipedia
{{cite web
| url = http://www.pastpages.org/screenshot/3298161/
| title = El Universal homepage at Feb. 13, 2017, 6:21 a.m. UTC
| publisher = PastPages
| date = Feb. 13, 2017
| accessdate = Feb. 20, 2019
| ref = {{harvid|PastPages-3298161|2017}}
}}