-- First, define a table of text to search for, and what to convert it to.

local conversionTable = {
   ['ၸၼ်ႇဝႃႇရီႇ'] = 'January',
   ['ၾႅပ်ႇဝႃႇရီႇ'] = 'February',
   ['မၢတ်ႉၶျ်'] = 'March',
   ['ဢေႇပရႄႇ'] = 'April',
   ['မေႇ'] = 'May',
   ['ၸုၼ်ႇ'] = 'June',
   ['ၸူႇလၢႆႇ'] = 'July',
   ['ဢေႃးၵၢတ်ႉ'] = 'August',
   ['သႅပ်ႇထႅမ်ႇပႃႇ'] = 'September',
   ['ဢွၵ်ႇထူဝ်ႇပႃႇ'] = 'October',
   ['ၼူဝ်ႇဝႅမ်ႇပႃႇ'] = 'November',
   ['တီႇသႅမ်ႇပႃႇ'] = 'December',
   ['႐'] = '0',
   ['႑'] = '1',
   ['႒'] = '2',
   ['႓'] = '3',
   ['႔'] = '4',
   ['႕'] = '5',
   ['႖'] = '6',
   ['႗'] = '7',
   ['႘'] = '8',
   ['႙'] = '9',
}

-- Then we define a table to hold our function
local p = {}

-- Then we define a function that converts strings using conversionTable.
function p.main(frame)
    local s = frame.args[1] -- This gets the first positional argument.
    for bn, en in pairs(conversionTable) do -- This converts every string found in the table.
        s = mw.ustring.gsub(s, bn, en)
    end
    return s -- Get the result of the function.
end

return p -- Pass our table containing our function back to Lua.
-- Now we can call our function using {{#invoke:ConvertTime|main|<!-- your text here -->}}.