sheetjs/packages/ssf/bits/45_hijri.js

function fix_hijri(date/*:Date*/, o/*:[number, number, number]*/) {
  /* TODO: properly adjust y/m/d and  */
  o[0] -= 581;
  var dow = date.getDay();
  if(date < 60) dow = (dow + 6) % 7;
  return dow;
}
version bump 0.11.1 - support 上午/下午 (like AM/PM, supported in en-US and other locales) - `format(number)` guess format if table is missing value - removed entry 65535 from table 2020-06-17 05:13:59 +00:00			`function fix_hijri(date/:Date/, o/:[number, number, number]/) {`
			`/* TODO: properly adjust y/m/d and */`
			`o[0] -= 581;`
			`var dow = date.getDay();`
			`if(date < 60) dow = (dow + 6) % 7;`
			`return dow;`
			`}`