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:1,$s/Tue Jan .. /Jan /
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:1,$s/Sat Jan .. /Jan /
:1,$s/Sun Jan .. /Jan /

:1,$s/Mon Feb .. /Feb /
:1,$s/Tue Feb .. /Feb /
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:1,$s/Fri Feb .. /Feb /
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:1,$s/Mon Mar .. /Mar /
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:1,$s/Thu Mar .. /Mar /
:1,$s/Fri Mar .. /Mar /
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:1,$s/Mon Apr .. /Apr /
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:1,$s/Wed Apr .. /Apr /
:1,$s/Thu Apr .. /Apr /
:1,$s/Fri Apr .. /Apr /
:1,$s/Sat Apr .. /Apr /
:1,$s/Sun Apr .. /Apr /

:1,$s/Mon May .. /May /
:1,$s/Tue May .. /May /
:1,$s/Wed May .. /May /
:1,$s/Thu May .. /May /
:1,$s/Fri May .. /May /
:1,$s/Sat May .. /May /
:1,$s/Sun May .. /May /

:1,$s/Mon Jun .. /Jun /
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:1,$s/Thu Jun .. /Jun /
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:1,$s/Mon Jul .. /Jul /
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:1,$s/Mon Aug .. /Aug /
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:1,$s/Thu Aug .. /Aug /
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:1,$s/Mon Sep .. /Sep /
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:1,$s/Wed Sep .. /Sep /
:1,$s/Thu Sep .. /Sep /
:1,$s/Fri Sep .. /Sep /
:1,$s/Sat Sep .. /Sep /
:1,$s/Sun Sep .. /Sep /

:1,$s/Mon Oct .. /Oct /
:1,$s/Tue Oct .. /Oct /
:1,$s/Wed Oct .. /Oct /
:1,$s/Thu Oct .. /Oct /
:1,$s/Fri Oct .. /Oct /
:1,$s/Sat Oct .. /Oct /
:1,$s/Sun Oct .. /Oct /

:1,$s/Mon Nov .. /Nov /
:1,$s/Tue Nov .. /Nov /
:1,$s/Wed Nov .. /Nov /
:1,$s/Thu Nov .. /Nov /
:1,$s/Fri Nov .. /Nov /
:1,$s/Sat Nov .. /Nov /
:1,$s/Sun Nov .. /Nov /

:1,$s/Mon Dec .. /Dec /
:1,$s/Tue Dec .. /Dec /
:1,$s/Wed Dec .. /Dec /
:1,$s/Thu Dec .. /Dec /
:1,$s/Fri Dec .. /Dec /
:1,$s/Sat Dec .. /Dec /
:1,$s/Sun Dec .. /Dec /