Change Timestamps to Dates, again

[ghost]

Pull reviewers stats

Stats for the last 180 days:		User	Total reviews	Median time to review	Total comments
	so7fie	29	13h 38m))	60
	Snowflake8	27	7h 23m))	55
	Huntsekkern	31	5h 2m))	54
	DGoedtkindtEPFL	40	15h 26m))	47
	RaulinN	33	7h 28m))	45
	Laniakea1999	22	12h 8m))	15

Pull reviewers stats

Stats for the last 180 days:		User	Total reviews	Median time to review	Total comments
	so7fie	29	13h 38m))	60
	Snowflake8	27	7h 23m))	55
	Huntsekkern	31	5h 2m))	54
	DGoedtkindtEPFL	40	15h 26m))	47
	RaulinN	33	7h 28m))	45
	Laniakea1999	22	12h 8m))	15