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Fix weekday variant ordering: EY should be variant 1, not IY#50

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ptarjan:fix-weekday-variant-order
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Fix weekday variant ordering: EY should be variant 1, not IY#50
ptarjan wants to merge 1 commit intocmusphinx:masterfrom
ptarjan:fix-weekday-variant-order

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@ptarjan ptarjan commented Feb 17, 2026

Summary

  • Swap variant ordering for friday, monday, saturday, tuesday, and wednesday so the standard EY /eɪ/ pronunciation ("-day") is variant 1
  • Fix thursday's which had IY as variant 1 despite thursday itself already having EY first
  • Now all 7 days of the week consistently have EY as variant 1

Problem

Five of the seven days of the week had the reduced IY /iː/ pronunciation ("-dee") listed as variant 1, with the standard EY /eɪ/ ("-day") as variant 2. This was inconsistent — sunday and thursday already correctly had EY first.

Word Before (v1) After (v1)
friday F R AY1 D IY0 F R AY1 D EY2
monday M AH1 N D IY0 M AH1 N D EY2
saturday S AE1 T ER0 D IY0 S AE1 T IH2 D EY2
tuesday T UW1 Z D IY0 T UW1 Z D EY2
wednesday W EH1 N Z D IY0 W EH1 N Z D EY2
sunday S AH1 N D EY2 (unchanged)
thursday TH ER1 Z D EY2 (unchanged)

Evidence

All major dictionaries list /eɪ/ as the primary pronunciation:

  • Cambridge: /ˈwenz.deɪ/, /ˈmʌn.deɪ/, etc.
  • Merriam-Webster: /ˈfrī-(ˌ)dā/, /ˈmən-(ˌ)dā/, etc.

Found via systematic analysis of all 8,447 multi-variant entries in cmudict. These 5 weekdays (plus their possessives/plurals) were the only entries where variant 1 was clearly non-standard.

All days of the week ending in -day should have the EY diphthong
(day) as variant 1, not IY (dee). The reduced IY pronunciation
is a casual variant, not the standard American English citation form.

Before this fix, friday/monday/saturday/tuesday/wednesday all had IY as
variant 1, while sunday/thursday already correctly had EY first. This also
fixes thursdays which was inconsistent with thursday itself.

Cambridge Dictionary, Merriam-Webster, and other references all list
the diphthong as the primary pronunciation for the -day syllable.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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