!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):t.dayjs_plugin_timezone=e()}(this,function(){"use strict";var t={year:0,month:1,day:2,hour:3,minute:4,second:5},e={};return function(n,i,r){var o,u=r().utcOffset(),a=function(t,n,i){void 0===i&&(i={});var r=new Date(t);return function(t,n){void 0===n&&(n={});var i=n.timeZoneName||"short",r=t+"|"+i,o=e[r];return o||(o=new Intl.DateTimeFormat("en-US",{hour12:!1,timeZone:t,year:"numeric",month:"2-digit",day:"2-digit",hour:"2-digit",minute:"2-digit",second:"2-digit",timeZoneName:i}),e[r]=o),o}(n,i).formatToParts(r)},f=function(e,n){for(var i=a(e,n),o=[],u=0;u<i.length;u+=1){var f=i[u],s=f.type,m=f.value,c=t[s];c>=0&&(o[c]=parseInt(m,10))}var d=o[3],v=24===d?0:d,h=o[0]+"-"+o[1]+"-"+o[2]+" "+v+":"+o[4]+":"+o[5]+":000",l=+e;return(r.utc(h).valueOf()-(l-=l%1e3))/6e4},s=i.prototype;s.tz=function(t,e){void 0===t&&(t=o);var n=this.utcOffset(),i=this.toDate().toLocaleString("en-US",{timeZone:t}),a=Math.round((this.toDate()-new Date(i))/1e3/60),f=r(i).$set("millisecond",this.$ms).utcOffset(u-a,!0);if(e){var s=f.utcOffset();f=f.add(n-s,"minute")}return f.$x.$timezone=t,f},s.offsetName=function(t){var e=this.$x.$timezone||r.tz.guess(),n=a(this.valueOf(),e,{timeZoneName:t}).find(function(t){return"timezonename"===t.type.toLowerCase()});return n&&n.value};var m=s.startOf;s.startOf=function(t,e){if(!this.$x||!this.$x.$timezone)return m.call(this,t,e);var n=r(this.format("YYYY-MM-DD HH:mm:ss:SSS"));return m.call(n,t,e).tz(this.$x.$timezone,!0)},r.tz=function(t,e,n){var i=n&&e,u=n||e||o,a=f(+r(),u);if("string"!=typeof t)return r(t).tz(u);var s=function(t,e,n){var i=t-60*e*1e3,r=f(i,n);if(e===r)return[i,e];var o=f(i-=60*(r-e)*1e3,n);return r===o?[i,r]:[t-60*Math.min(r,o)*1e3,Math.max(r,o)]}(r.utc(t,i).valueOf(),a,u),m=s[0],c=s[1],d=r(m).utcOffset(c);return d.$x.$timezone=u,d},r.tz.guess=function(){return Intl.DateTimeFormat().resolvedOptions().timeZone},r.tz.setDefault=function(t){o=t}}});