Test

fix: optimize dayOfWeek & dateFromEpoch routines in date #5136

Job	Run time
Check	6s
Coverage	4m 4s
Runtimes	37s
Features	20s
Bootstrap (release)	4m 23s
Bootstrap (debug)	3m 47s
Compiler (ubuntu, node lts/*)	1m 42s
Compiler (macos, node lts/*)	1m 27s
Loader	24s
Compiler (windows, node current)	2m 3s
Compiler (macos, node current)	1m 33s
Compiler (ubuntu, node current)	1m 40s
Compiler (windows, node lts/*)	1m 58s
	24m 4s

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