diff --git a/api/project.go b/api/project.go
index f685215..75a6fc2 100644
--- a/api/project.go
+++ b/api/project.go
@@ -47,6 +47,9 @@ func Project(g *gin.RouterGroup, db database.Database) {
 		if project.EndTime != nil && project.EndTime.Before(time.Now()) {
 			return nil, slerrors.BadRequest("Project end time must be later than current time.")
 		}
+		if project.StartTime != nil && (project.EndTime == nil || !project.StartTime.Before(*project.EndTime)) {
+			return nil, slerrors.BadRequest("Project start time must be before end time.")
+		}
 
 		project.ID = generate.ProjectID()
 		project.UserID = auth.UserID(c)
@@ -80,6 +83,11 @@ func Project(g *gin.RouterGroup, db database.Database) {
 		}
 
 		project.Update(update)
+
+		if project.StartTime != nil && (project.EndTime == nil || !project.StartTime.Before(*project.EndTime)) {
+			return nil, slerrors.BadRequest("Project start time must be before end time.")
+		}
+
 		err = db.Projects().Update(c.Request.Context(), project.Project)
 		if err != nil {
 			return nil, err
diff --git a/database/postgres/project.go b/database/postgres/project.go
index f7d9d63..4af290f 100644
--- a/database/postgres/project.go
+++ b/database/postgres/project.go
@@ -75,9 +75,9 @@ func (r *projectRepository) List(ctx context.Context, filter models.ProjectFilte
 func (r *projectRepository) Insert(ctx context.Context, project models.Project) error {
 	_, err := r.db.NamedExecContext(ctx, `
 		INSERT INTO project(
-			project_id, user_id, name, description, icon, active, created_time, end_time, status_tag, favorite
+			project_id, user_id, name, description, icon, active, created_time, start_time, end_time, status_tag, favorite
 		) VALUES (
-			:project_id, :user_id, :name, :description, :icon, :active, :created_time, :end_time, :status_tag, :favorite
+			:project_id, :user_id, :name, :description, :icon, :active, :created_time, :start_time, :end_time, :status_tag, :favorite
 		)
 	`, &project)
 	if err != nil {
@@ -94,6 +94,7 @@ func (r *projectRepository) Update(ctx context.Context, project models.Project)
 			description = :description,
 			icon = :icon,
 			active = :active,
+		    start_time = :start_time,
 			end_time = :end_time,
 		    status_tag = :status_tag,
 		    favorite = :favorite
diff --git a/migrations/postgres/20210405154335_add_project_column_start_time.sql b/migrations/postgres/20210405154335_add_project_column_start_time.sql
new file mode 100644
index 0000000..490918b
--- /dev/null
+++ b/migrations/postgres/20210405154335_add_project_column_start_time.sql
@@ -0,0 +1,11 @@
+-- +goose Up
+-- +goose StatementBegin
+ALTER TABLE project
+    ADD COLUMN start_time TIMESTAMP;
+-- +goose StatementEnd
+
+-- +goose Down
+-- +goose StatementBegin
+ALTER TABLE project
+    DROP COLUMN IF EXISTS start_time;
+-- +goose StatementEnd
diff --git a/models/project.go b/models/project.go
index 89e8e56..bb24eb5 100644
--- a/models/project.go
+++ b/models/project.go
@@ -13,6 +13,7 @@ type Project struct {
 	Icon        string     `json:"icon" db:"icon"`
 	Active      bool       `json:"active" db:"active"`
 	CreatedTime time.Time  `json:"createdTime" db:"created_time"`
+	StartTime   *time.Time `json:"startTime" db:"start_time"`
 	EndTime     *time.Time `json:"endTime" db:"end_time"`
 	StatusTag   *string    `json:"statusTag" db:"status_tag"`
 	Favorite    bool       `json:"favorite" db:"favorite"`
@@ -31,6 +32,13 @@ func (project *Project) Update(update ProjectUpdate) {
 	if update.Active != nil {
 		project.Active = *update.Active
 	}
+	if update.StartTime != nil {
+		startTimeCopy := update.StartTime.UTC()
+		project.StartTime = &startTimeCopy
+	}
+	if update.ClearStartTime {
+		project.StartTime = nil
+	}
 	if update.EndTime != nil {
 		endTimeCopy := update.EndTime.UTC()
 		project.EndTime = &endTimeCopy
@@ -58,6 +66,8 @@ type ProjectUpdate struct {
 	Description    *string    `json:"description"`
 	Icon           *string    `json:"icon"`
 	Active         *bool      `json:"active"`
+	StartTime      *time.Time `json:"startTime"`
+	ClearStartTime bool       `json:"clearStartTime"`
 	EndTime        *time.Time `json:"endTime"`
 	ClearEndTime   bool       `json:"clearEndTime"`
 	StatusTag      *string    `json:"statusTag"`
diff --git a/svelte-ui/src/components/DaysLeft.svelte b/svelte-ui/src/components/DaysLeft.svelte
index 32b6739..d445454 100644
--- a/svelte-ui/src/components/DaysLeft.svelte
+++ b/svelte-ui/src/components/DaysLeft.svelte
@@ -72,7 +72,7 @@
   {:else if (started)}
     <span class:danger class="started">{amountStr}{compact ? "" : " "}{unit} {!compact ? "left" : ""}</span>
   {:else}
-    <span class="pending">In {amountStr}{compact ? "" : " "}{unit}</span>
+    <span class="pending">{compact ? "" : "In "}{amountStr}{compact ? "" : " "}{unit}</span>
   {/if}
 </span>
 
diff --git a/svelte-ui/src/components/DeadlineSelect.svelte b/svelte-ui/src/components/DeadlineSelect.svelte
index 707840e..d2422c0 100644
--- a/svelte-ui/src/components/DeadlineSelect.svelte
+++ b/svelte-ui/src/components/DeadlineSelect.svelte
@@ -75,17 +75,17 @@
 
       options.push({
         id: "this_year",
-        label: "This Year",
+        label: "End of this year",
         value: endOfYear(now),
       });
       options.push({
         id: "next_year",
-        label: "Next Year",
+        label: "End of next year",
         value: endOfYear(new Date(Date.now() + (365.25 * 86400000))),
       });
       options.push({
         id: "last_year",
-        label: "Last Year",
+        label: "End of last year",
         value: endOfYear(new Date(Date.now() - (365.25 * 86400000))),
       });
 
diff --git a/svelte-ui/src/components/ProgressNumbers.svelte b/svelte-ui/src/components/ProgressNumbers.svelte
index 11270e3..e066d99 100644
--- a/svelte-ui/src/components/ProgressNumbers.svelte
+++ b/svelte-ui/src/components/ProgressNumbers.svelte
@@ -24,9 +24,9 @@
       progressTarget = Math.max((project.tasks||[]).map(t => t.itemAmount * (t.item.groupWeight || 1)).reduce((n,m) => n+m, 0), 1);
     
       if (project.endTime) {
-        const start = Date.parse(project.createdTime);
+        const start = Date.parse(project.startTime || project.createdTime);
         const end = Date.parse(project.endTime);
-        const now = Math.min(Date.now(), end);
+        const now = Math.max(Math.min(Date.now(), end), start);
 
         timeProgress = (now - start) / (end - start);
       } else {
@@ -37,7 +37,7 @@
     if (goal != null) {
       const start = Date.parse(goal.startTime);
       const end = Date.parse(goal.endTime);
-      const now = Math.min(Date.now(), end);
+      const now = Math.max(Math.min(Date.now(), end), start);
 
       progressAmount = goal.completedAmount;
       progressTarget = goal.amount;
diff --git a/svelte-ui/src/components/QLListItem.svelte b/svelte-ui/src/components/QLListItem.svelte
index 0874919..0e910e3 100644
--- a/svelte-ui/src/components/QLListItem.svelte
+++ b/svelte-ui/src/components/QLListItem.svelte
@@ -33,7 +33,7 @@
         <div class="content">{project.name}</div>
         {#if project.endTime}
           <div class="times">
-            <DaysLeft compact startTime={project.createdTime} endTime={project.endTime} />
+            <DaysLeft compact startTime={project.startTime || project.createdTime} endTime={project.endTime} />
           </div>
         {/if}
       </div>
diff --git a/svelte-ui/src/components/StartTimeSelect.svelte b/svelte-ui/src/components/StartTimeSelect.svelte
new file mode 100644
index 0000000..5864e55
--- /dev/null
+++ b/svelte-ui/src/components/StartTimeSelect.svelte
@@ -0,0 +1,118 @@
+<script lang="ts">
+  import { onMount } from "svelte";
+  import { startOfMonth, startOfWeek, startOfYear, formatFormTime, lastMonth, nextMonth } from "../utils/time";
+  import EveryMinute from "./EveryMinute.svelte";
+
+  interface DateOption {
+    id: string
+    label: string
+    value: Date
+  }
+
+  export let value: string;
+  export let disabled: boolean;
+
+  let selected: string = "custom";
+  let options: DateOption[] = [];
+  let now: Date = new Date();
+
+  onMount(() => {
+    if (value === "") {
+      selected = "none";
+      return;
+    }
+
+    for (const option of options) {
+      if (formatFormTime(option.value) === value) {
+        selected = option.id;
+      }
+    }
+  });
+
+  $: {
+    if (options.length === 0) {
+      let current = startOfMonth(now);
+      const nextWeek = new Date(now.getTime() + (86400000 * 7));
+      const lastWeek = new Date(now.getTime() - (86400000 * 7));
+
+      options.push({
+        id: "none",
+        label: "Project's creation date",
+        value: new Date(Number.NaN),
+      });
+
+      options.push({
+        id: "this_week",
+        label: "Start of this Week",
+        value: startOfWeek(now),
+      });
+      options.push({
+        id: "next_week",
+        label: "Start of next Week",
+        value: startOfWeek(nextWeek),
+      });
+      options.push({
+        id: "last_week",
+        label: "Start of last Week",
+        value: startOfWeek(lastWeek),
+      });
+
+      options.push({
+        id: "this_month",
+        label: "Start of this month",
+        value: startOfMonth(current),
+      });
+      options.push({
+        id: "next_month",
+        label: "Start of next month",
+        value: startOfMonth(nextMonth(current)),
+      });
+      options.push({
+        id: "last_month",
+        label: "Start of last month",
+        value: startOfMonth(lastMonth(current)),
+      });
+
+      options.push({
+        id: "this_year",
+        label: "Beginning of this year",
+        value: startOfYear(now),
+      });
+      options.push({
+        id: "next_year",
+        label: "Beginning of next year",
+        value: startOfYear(new Date(Date.now() + (365.25 * 86400000))),
+      });
+      options.push({
+        id: "last_year",
+        label: "Beginning of last year",
+        value: startOfYear(new Date(Date.now() - (365.25 * 86400000))),
+      });
+
+      options.push({
+        id: "custom",
+        label: "Specific Date",
+        value: null,
+      });
+    }
+  }
+
+  $: {
+    if (selected !== "custom") {
+      const option = options.find(o => o.id === selected);
+      if (option != null) {
+        value = formatFormTime(option.value);
+      }
+    }
+  }
+</script>
+
+<EveryMinute bind:now={now} />
+<select name="endTime" disabled={disabled} bind:value={selected}>
+  {#each options as option (option.id)}
+    <option value={option.id}>{option.label}</option>
+  {/each}
+</select>
+{#if selected === "custom"}
+  <input disabled={disabled} name="value" type="datetime-local" bind:value={value} />
+{/if}
\ No newline at end of file
diff --git a/svelte-ui/src/forms/ProjectForm.svelte b/svelte-ui/src/forms/ProjectForm.svelte
index d801e67..a347cb2 100644
--- a/svelte-ui/src/forms/ProjectForm.svelte
+++ b/svelte-ui/src/forms/ProjectForm.svelte
@@ -4,6 +4,7 @@
   import DeadlineSelect from "../components/DeadlineSelect.svelte";
   import IconSelect from "../components/IconSelect.svelte";
   import Modal from "../components/Modal.svelte";
+  import StartTimeSelect from "../components/StartTimeSelect.svelte";
   import StatusTagSelect from "../components/StatusTagSelect.svelte";
   import { DEFAULT_ICON } from "../external/icons";
   import type { ProjectResult } from "../models/project";
@@ -34,6 +35,7 @@
     throw new Error("Wrong form")
   }
 
+  let startTime = formatFormTime(project.startTime);
   let endTime = formatFormTime(project.endTime);
   let name = project.name;
   let description = project.description;
@@ -52,6 +54,7 @@
     if (creation) {
       stuffLogClient.createProject({
         active: statusTag === "",
+        startTime: ( startTime == "" ) ? null : new Date(startTime),
         endTime: ( endTime == "" ) ? null : new Date(endTime),
         statusTag: statusTag !== "" ? statusTag : null,
 
@@ -77,6 +80,8 @@
       stuffLogClient.updateProject(project.id, {
         endTime: ( endTime == "" ) ? null : new Date(endTime),
         clearEndTime: ( endTime == "" ),
+        startTime: ( startTime == "" ) ? null : new Date(startTime),
+        clearStartTime: ( startTime == "" ),
         active: statusTag === "",
         statusTag: statusTag || null,
         clearStatusTag: statusTag === "",
@@ -111,6 +116,10 @@
     <IconSelect disabled={deletion} bind:value={icon} />
     <label for="endTime">Deadline (Optional)</label>
     <DeadlineSelect disabled={deletion} bind:value={endTime} />
+    {#if endTime != ""}
+      <label for="endTime">Start time (Optional)</label>
+      <StartTimeSelect disabled={deletion} bind:value={startTime} />
+    {/if}
     <label for="statusTag">Status</label>
     <StatusTagSelect disabled={deletion} isProject bind:value={statusTag} />
 
diff --git a/svelte-ui/src/models/project.ts b/svelte-ui/src/models/project.ts
index ba4359c..b11c3fa 100644
--- a/svelte-ui/src/models/project.ts
+++ b/svelte-ui/src/models/project.ts
@@ -9,6 +9,7 @@ export default interface Project {
   active: boolean
   createdTime: string
   favorite: boolean
+  startTime?: string
   endTime?: string
   statusTag?: string
 }
@@ -29,6 +30,7 @@ export interface ProjectInput {
   description: string
   icon: IconName
   active: boolean
+  startTime?: string | Date
   endTime?: string | Date
   statusTag?: string
   favorite?: boolean
@@ -39,6 +41,8 @@ export interface ProjectUpdate {
   description?: string
   icon?: string
   active?: boolean
+  startTime?: string | Date
+  clearStartTime?: boolean
   endTime?: string | Date
   clearEndTime?: boolean
   statusTag?: string