centerTime: Move the window such that the given time is centered
In westdana/Timeline: Create Interactive Timeline Visualizations in R

Move the window such that the given time is centered

1	centerTime(id, time, options)

`id`	Timeline id or a `timevis` object (the output from `timevis()`)
`time`	The date/time to center around
`options`	Named list of options controlling the animation. Most common option is `"animation" = TRUE/FALSE`. For a full list of options, see the "moveTo" method in the official Timeline documentation

timevis() %>%
  centerTime(Sys.Date() - 1)

if (interactive()) {
library(shiny)
shinyApp(
  ui = fluidPage(
    timevisOutput("timeline"),
    actionButton("btn", "Center around 24 hours ago")
  ),
  server = function(input, output) {
    output$timeline <- renderTimevis(
      timevis()
    )
    observeEvent(input$btn, {
      centerTime("timeline", Sys.Date() - 1)
    })
  }
)
}