diff --git a/api/handlers.go b/api/handlers.go
index 29bd9c5..aa4d4c2 100644
--- a/api/handlers.go
+++ b/api/handlers.go
@@ -10,7 +10,6 @@ import (
 	"log"
 	"net/http"
 	"strconv"
-	"time"
 )
 
 type Handler struct {
@@ -54,7 +53,7 @@ func writeError(w http.ResponseWriter, status int, msg string) {
 }
 
 func (h *Handler) handleGetToday(w http.ResponseWriter, r *http.Request) {
-	h.handleGetDayData(w, time.Now().Format("2006-01-02"))
+	h.handleGetDayData(w, h.cfg.Now().Format("2006-01-02"))
 }
 
 func (h *Handler) handleGetDay(w http.ResponseWriter, r *http.Request) {
@@ -124,6 +123,16 @@ func (h *Handler) handleAddEntry(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	now := h.cfg.Now()
+	entryDate := now.Format("2006-01-02")
+	entryTime := now.Format("15:04")
+	if req.Date != "" {
+		entryDate = req.Date
+		if req.Date != now.Format("2006-01-02") {
+			entryTime = "12:00"
+		}
+	}
+
 	var entries []types.Entry
 	for _, item := range estimation.Items {
 		desc := item.Name
@@ -132,6 +141,8 @@ func (h *Handler) handleAddEntry(w http.ResponseWriter, r *http.Request) {
 		}
 
 		entry := types.Entry{
+			Date:        entryDate,
+			Time:        entryTime,
 			Type:        req.Type,
 			Description: desc,
 			Kcal:        item.Kcal,
@@ -193,7 +204,7 @@ func (h *Handler) handleWeighIn(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	weighIn, err := h.db.AddWeighIn("", req.WeightKg)
+	weighIn, err := h.db.AddWeighIn(h.cfg.Now().Format("2006-01-02"), req.WeightKg)
 	if err != nil {
 		writeError(w, http.StatusInternalServerError, err.Error())
 		return
diff --git a/config/config.go b/config/config.go
index b9bcffc..72aa4c9 100644
--- a/config/config.go
+++ b/config/config.go
@@ -18,6 +18,7 @@ func DefaultConfig() types.Config {
 		ActivityLevel:   "moderate",
 		WeeklyLossKg:    0.5,
 		ListenAddr:      ":8080",
+		Timezone:        "America/Halifax",
 	}
 }
 
diff --git a/types/types.go b/types/types.go
index 1fd7da7..0c1bee8 100644
--- a/types/types.go
+++ b/types/types.go
@@ -56,9 +56,20 @@ type Config struct {
 	ActivityLevel   string  `toml:"activity_level" json:"activity_level"`
 	WeeklyLossKg    float64 `toml:"weekly_loss_kg" json:"weekly_loss_kg"`
 	ListenAddr      string  `toml:"listen_addr" json:"listen_addr"`
+	Timezone        string  `toml:"timezone" json:"timezone"`
 	HasAPIKey       bool    `toml:"-" json:"has_api_key"`
 }
 
+// Now returns the current time in the configured timezone.
+func (c *Config) Now() time.Time {
+	if c.Timezone != "" {
+		if loc, err := time.LoadLocation(c.Timezone); err == nil {
+			return time.Now().In(loc)
+		}
+	}
+	return time.Now()
+}
+
 type TodayResponse struct {
 	Date       string       `json:"date"`
 	Entries    []Entry      `json:"entries"`
@@ -72,6 +83,7 @@ type TodayResponse struct {
 type AddEntryRequest struct {
 	Type        EntryType `json:"type"`
 	Description string    `json:"description"`
+	Date        string    `json:"date,omitempty"`
 }
 
 type AddEntryResponse struct {
diff --git a/web/favicon.svg b/web/favicon.svg
new file mode 100644
index 0000000..cf7bcd7
--- /dev/null
+++ b/web/favicon.svg
@@ -0,0 +1,5 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 32 32">
+  <rect width="32" height="32" rx="6" fill="#0d1117"/>
+  <rect x="1" y="1" width="30" height="30" rx="5" fill="none" stroke="#30363d" stroke-width="1"/>
+  <text x="16" y="22" text-anchor="middle" font-family="monospace" font-weight="bold" font-size="16" fill="#3fb950">CT</text>
+</svg>
diff --git a/web/index.html b/web/index.html
index f0a4231..4ec1fcf 100644
--- a/web/index.html
+++ b/web/index.html
@@ -4,6 +4,7 @@
 <meta charset="UTF-8">
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
 <title>CalTrack</title>
+<link rel="icon" type="image/svg+xml" href="favicon.svg">
 <style>
 @import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;700&display=swap');
 
@@ -679,7 +680,8 @@ async function addEntry(desc) {
   try {
     const data = await api('POST', '/api/entry', {
       type: currentMode,
-      description: desc.trim()
+      description: desc.trim(),
+      date: currentDate
     });
 
     if (data.error) {