diff --git a/account_import.go b/account_import.go
index 1098798..b34f3a7 100644
--- a/account_import.go
+++ b/account_import.go
@@ -1,203 +1,195 @@
 package writefreely
 
 import (
 	"encoding/json"
 	"fmt"
 	"html/template"
 	"io"
 	"io/ioutil"
 	"net/http"
 	"os"
 	"path/filepath"
-	"strconv"
 	"strings"
 	"time"
 
 	"github.com/hashicorp/go-multierror"
 	"github.com/writeas/impart"
 	wfimport "github.com/writeas/import"
 	"github.com/writeas/web-core/log"
 )
 
 func viewImport(app *App, u *User, w http.ResponseWriter, r *http.Request) error {
 	// Fetch extra user data
 	p := NewUserPage(app, r, u, "Import Posts", nil)
 
 	c, err := app.db.GetCollections(u, app.Config().App.Host)
 	if err != nil {
 		return impart.HTTPError{http.StatusInternalServerError, fmt.Sprintf("unable to fetch collections: %v", err)}
 	}
 
 	d := struct {
 		*UserPage
 		Collections *[]Collection
 		Flashes     []template.HTML
 		Message     string
 		InfoMsg     bool
 	}{
 		UserPage:    p,
 		Collections: c,
 		Flashes:     []template.HTML{},
 	}
 
 	flashes, _ := getSessionFlashes(app, w, r, nil)
 	for _, flash := range flashes {
 		if strings.HasPrefix(flash, "SUCCESS: ") {
 			d.Message = strings.TrimPrefix(flash, "SUCCESS: ")
 		} else if strings.HasPrefix(flash, "INFO: ") {
 			d.Message = strings.TrimPrefix(flash, "INFO: ")
 			d.InfoMsg = true
 		} else {
 			d.Flashes = append(d.Flashes, template.HTML(flash))
 		}
 	}
 
 	showUserPage(w, "import", d)
 	return nil
 }
 
 func handleImport(app *App, u *User, w http.ResponseWriter, r *http.Request) error {
 	// limit 10MB per submission
 	r.ParseMultipartForm(10 << 20)
 
 	collAlias := r.PostFormValue("collection")
 	coll := &Collection{
 		ID: 0,
 	}
 	var err error
 	if collAlias != "" {
 		coll, err = app.db.GetCollection(collAlias)
 		if err != nil {
 			log.Error("Unable to get collection for import: %s", err)
 			return err
 		}
 		// Only allow uploading to collection if current user is owner
 		if coll.OwnerID != u.ID {
 			err := ErrUnauthorizedGeneral
 			_ = addSessionFlash(app, w, r, err.Message, nil)
 			return err
 		}
 		coll.hostName = app.cfg.App.Host
 	}
 
 	fileDates := make(map[string]int64)
 	err = json.Unmarshal([]byte(r.FormValue("fileDates")), &fileDates)
 	if err != nil {
 		log.Error("invalid form data for file dates: %v", err)
 		return impart.HTTPError{http.StatusBadRequest, "form data for file dates was invalid"}
 	}
-	fileTZ := r.FormValue("tz")
 	files := r.MultipartForm.File["files"]
 	var fileErrs []error
 	filesSubmitted := len(files)
 	var filesImported int
 	for _, formFile := range files {
 		fname := ""
 		ok := func() bool {
 			file, err := formFile.Open()
 			if err != nil {
 				fileErrs = append(fileErrs, fmt.Errorf("Unable to read file %s", formFile.Filename))
 				log.Error("import file: open from form: %v", err)
 				return false
 			}
 			defer file.Close()
 
 			tempFile, err := ioutil.TempFile("", "post-upload-*.txt")
 			if err != nil {
 				fileErrs = append(fileErrs, fmt.Errorf("Internal error for %s", formFile.Filename))
 				log.Error("import file: create temp file %s: %v", formFile.Filename, err)
 				return false
 			}
 			defer tempFile.Close()
 
 			_, err = io.Copy(tempFile, file)
 			if err != nil {
 				fileErrs = append(fileErrs, fmt.Errorf("Internal error for %s", formFile.Filename))
 				log.Error("import file: copy to temp location %s: %v", formFile.Filename, err)
 				return false
 			}
 
 			info, err := tempFile.Stat()
 			if err != nil {
 				fileErrs = append(fileErrs, fmt.Errorf("Internal error for %s", formFile.Filename))
 				log.Error("import file: stat temp file %s: %v", formFile.Filename, err)
 				return false
 			}
 			fname = info.Name()
 			return true
 		}()
 		if !ok {
 			continue
 		}
 
 		post, err := wfimport.FromFile(filepath.Join(os.TempDir(), fname))
 		if err == wfimport.ErrEmptyFile {
 			// not a real error so don't log
 			_ = addSessionFlash(app, w, r, fmt.Sprintf("%s was empty, import skipped", formFile.Filename), nil)
 			continue
 		} else if err == wfimport.ErrInvalidContentType {
 			// same as above
 			_ = addSessionFlash(app, w, r, fmt.Sprintf("%s is not a supported post file", formFile.Filename), nil)
 			continue
 		} else if err != nil {
 			fileErrs = append(fileErrs, fmt.Errorf("failed to read copy of %s", formFile.Filename))
 			log.Error("import textfile: file to post: %v", err)
 			continue
 		}
 
 		if collAlias != "" {
 			post.Collection = collAlias
 		}
 		dateTime := time.Unix(fileDates[formFile.Filename], 0)
-		offset, err := strconv.Atoi(fileTZ)
-		if err != nil {
-			log.Error("form time zone offset not a valid integer: %v", err)
-			continue
-		}
-		dateTime = dateTime.Add(time.Minute * time.Duration(offset))
 		post.Created = &dateTime
 		created := post.Created.Format("2006-01-02T15:04:05Z")
 		submittedPost := SubmittedPost{
 			Title:   &post.Title,
 			Content: &post.Content,
 			Font:    "norm",
 			Created: &created,
 		}
 		rp, err := app.db.CreatePost(u.ID, coll.ID, &submittedPost)
 		if err != nil {
 			fileErrs = append(fileErrs, fmt.Errorf("failed to create post from %s", formFile.Filename))
 			log.Error("import textfile: create db post: %v", err)
 			continue
 		}
 
 		// Federate post, if necessary
 		if app.cfg.App.Federation && coll.ID > 0 {
 			go federatePost(
 				app,
 				&PublicPost{
 					Post: rp,
 					Collection: &CollectionObj{
 						Collection: *coll,
 					},
 				},
 				coll.ID,
 				false,
 			)
 		}
 		filesImported++
 	}
 	if len(fileErrs) != 0 {
 		_ = addSessionFlash(app, w, r, multierror.ListFormatFunc(fileErrs), nil)
 	}
 
 	if filesImported == filesSubmitted {
 		verb := "posts"
 		if filesSubmitted == 1 {
 			verb = "post"
 		}
 		_ = addSessionFlash(app, w, r, fmt.Sprintf("SUCCESS: Import complete, %d %s imported.", filesImported, verb), nil)
 	} else if filesImported > 0 {
 		_ = addSessionFlash(app, w, r, fmt.Sprintf("INFO: %d of %d posts imported, see details below.", filesImported, filesSubmitted), nil)
 	}
 	return impart.HTTPError{http.StatusFound, "/me/import"}
 }
diff --git a/templates/user/import.tmpl b/templates/user/import.tmpl
index 06ff8b7..803a07c 100644
--- a/templates/user/import.tmpl
+++ b/templates/user/import.tmpl
@@ -1,64 +1,64 @@
 {{define "import"}}
 {{template "header" .}}
 	<style>
 		input[type=file] {
 			padding: 0;
 			font-size: 0.86em;
 			display: block;
 			margin: 0.5rem 0;
 		}
 		label {
 			display: block;
 			margin: 1em 0;
 		}
 	</style>
 
 <div class="snug content-container">
 	<h1 id="import-header">Import posts</h1>
 	{{if .Message}}
 	<div class="alert {{if .InfoMsg}}info{{else}}success{{end}}">
 		<p>{{.Message}}</p>
 	</div>
 	{{end}}
 	{{if .Flashes}}
 		<ul class="errors">
 			{{range .Flashes}}<li class="urgent">{{.}}</li>{{end}}
 		</ul>
 	{{end}}
 	<p>Publish plain text or Markdown files to your account by uploading them below.</p>
 	<div class="formContainer">
 		<form id="importPosts" class="prominent" enctype="multipart/form-data" action="/api/me/import" method="POST">
 			<label>Select some files to import:
 				<input id="fileInput" class="fileInput" name="files" type="file" multiple accept="text/markdown, text/plain"/>
 			</label>
 			<input id="fileDates" name="fileDates" hidden/>
-			<input id="tzInput" name="tz" hidden/>
 			<label>
 				Import these posts to:
 				<select name="collection">
 					{{range $i, $el := .Collections}}
 						<option value="{{.Alias}}" {{if eq $i 0}}selected{{end}}>{{.DisplayTitle}}</option>
 					{{end}}
 					<option value="">Drafts</option>
 				</select>
 			</label>
 			<script>
-				const tzInput = document.getElementById('tzInput');
-				tzInput.value = new Date().getTimezoneOffset();
+				// timezone offset in seconds
+				const tzOffsetSec = new Date().getTimezoneOffset() * 60;
 				const fileInput = document.getElementById('fileInput');
 				const fileDates = document.getElementById('fileDates');
 				fileInput.addEventListener('change', (e) => {
 					const files = e.target.files;
 					let dateMap = {};
 					for (let file of files) {
-						dateMap[file.name] = Math.round(file.lastModified / 1000);
+						// convert from milliseconds to seconds and adjust for tz
+						dateMap[file.name] = Math.round(file.lastModified / 1000) + tzOffsetSec;
 					}
 					fileDates.value = JSON.stringify(dateMap);
 				})
 			</script>
 			<input type="submit" value="Import" />
 		</form>
 	</div>
 </div>
 {{template "footer" .}}
 {{end}}