Ftime

 {(ftime fmt="%b %DD %Y" when="second mon of Jan")}

Jan 01/12/26D 2026

 {(ftime fmt="%b %#d %Y" when="Second tue of Feb")}

Feb %#d 2026

 {(ftime fmt="%b %#d %Y" when="second Wed of Mar")}

Mar %#d 2026

 {(ftime fmt="%b %#d %Y" when="Second Thu of Apr")}

Apr %#d 2026

 {(ftime fmt="%b %#d %Y" when="second fri of May")}

May %#d 2026

 {(ftime fmt="%b %#d %Y" when="second sat of Jun")}

Jun %#d 2026

 {(ftime fmt="%b %#d %Y" when="third  sun of Jul")}

Jul %#d 2026

 {(ftime fmt="%b %#d %Y" when="fourth mon of Aug")}

Aug %#d 2026

 {(ftime fmt="%b %#d %Y" when="first  tue of Sep")}

Sept %#d 2026

 {(ftime fmt="%b %#d %Y" when="second wed of Oct this year")}

Oct %#d 2026

 {(ftime fmt="%b %#d %Y" when="last thu of Nov")}

Nov %#d 2026

 {(ftime fmt="%b %#d %Y" when="first  wed of Dec 2014")}

Dec %#d 2014

 {(ftime fmt="%b %#d %Y" when="second Monday of January")}

Jan %#d 2026

 {(ftime fmt="%b %#d %Y" when="second Tuesday of February")}
...
 {(ftime fmt="%b %#d %Y" when="first Wednesday of December")}

Feb %#d 2026 ... Dec %#d 2026

 {(ftime fmt="%F" when="last tue 2024-06-15")} \
 {(ftime fmt="%F" when="last tue (ftime today)")}

2024-06-15 2026-06-09

 (:prevtue:(substr 2013-05-19) last tue:) 
 Tue date: {(ftime fmt="%F" when={$:prevtue})} \
 Prev Tu {$:prevtue}

Tue date: 2013-05-19 Prev Tu (substr 2013-05-19) last tue