neosnippet.vim/autoload/neosnippet/snippets/_.snip

# Global snippets

snippet     date
options     word
    `strftime("%d %b %Y")`

snippet     date_full
alias       df
options     word
    `strftime("%Y-%m-%dT%H:%M:%S")`

snippet     date_day
alias       dd
options     word
    `strftime("%Y-%m-%d")`

snippet     date_time
alias       dt
options     word
    `strftime("%H:%M:%S")`