diff --git a/work_trace/models/wt_location_log.py b/work_trace/models/wt_location_log.py
new file mode 100644
index 00000000..2a887dfa
--- /dev/null
+++ b/work_trace/models/wt_location_log.py
@@ -0,0 +1,129 @@
+from odoo import models, fields, api
+from math import radians, sin, cos, sqrt, atan2
+
+
+class WtLocationLog(models.Model):
+    _name = 'wt.location.log'
+    _description = 'WorkTrace Location Log'
+    _order = 'arrived_at asc'
+
+    name = fields.Char(
+        string='Location',
+        compute='_compute_name',
+        store=True
+    )
+    date = fields.Date(string='Date', required=True, index=True)
+    arrived_at = fields.Datetime(string='Arrived At', required=True)
+    departed_at = fields.Datetime(string='Departed At')
+
+    latitude = fields.Float(string='Latitude', digits=(10, 7))
+    longitude = fields.Float(string='Longitude', digits=(10, 7))
+    address = fields.Char(string='Address')
+    place_name = fields.Char(string='Place / Business Name')
+
+    time_at_location = fields.Float(
+        string='Time at Location (hrs)',
+        compute='_compute_time_at_location',
+        store=True
+    )
+    distance_from_previous = fields.Float(
+        string='Distance from Previous (mi)',
+        digits=(10, 2)
+    )
+    travel_time_from_previous = fields.Float(
+        string='Travel Time from Previous (hrs)',
+        digits=(10, 2)
+    )
+    travel_mode = fields.Selection([
+        ('driving', 'Driving'),
+        ('walking', 'Walking'),
+        ('transit', 'Transit'),
+        ('unknown', 'Unknown'),
+    ], string='Travel Mode', default='unknown')
+
+    source = fields.Selection([
+        ('google_timeline', 'Google Timeline'),
+        ('manual', 'Manual'),
+    ], string='Source', default='google_timeline')
+
+    calendar_event_id = fields.Many2one(
+        'calendar.event',
+        string='Calendar Event',
+        ondelete='set null'
+    )
+    add_to_calendar = fields.Boolean(string='Add to Calendar', default=True)
+    notes = fields.Text(string='Notes')
+
+    @api.depends('address', 'place_name', 'latitude', 'longitude')
+    def _compute_name(self):
+        for rec in self:
+            rec.name = (
+                rec.place_name
+                or rec.address
+                or (f'{rec.latitude:.5f}, {rec.longitude:.5f}' if rec.latitude else 'Unknown Location')
+            )
+
+    @api.depends('arrived_at', 'departed_at')
+    def _compute_time_at_location(self):
+        for rec in self:
+            if rec.arrived_at and rec.departed_at:
+                delta = rec.departed_at - rec.arrived_at
+                rec.time_at_location = delta.total_seconds() / 3600
+            else:
+                rec.time_at_location = 0.0
+
+    @staticmethod
+    def _haversine_distance(lat1, lon1, lat2, lon2):
+        """Calculate distance in miles between two GPS coordinates."""
+        R = 3958.8  # Earth radius in miles
+        lat1, lon1, lat2, lon2 = map(radians, [lat1, lon1, lat2, lon2])
+        dlat = lat2 - lat1
+        dlon = lon2 - lon1
+        a = sin(dlat / 2) ** 2 + cos(lat1) * cos(lat2) * sin(dlon / 2) ** 2
+        return R * 2 * atan2(sqrt(a), sqrt(1 - a))
+
+    def action_geocode(self):
+        """Resolve coordinates to address using OpenStreetMap Nominatim."""
+        import requests
+        for rec in self:
+            if not rec.latitude or not rec.longitude:
+                continue
+            url = 'https://nominatim.openstreetmap.org/reverse'
+            params = {
+                'lat': rec.latitude,
+                'lon': rec.longitude,
+                'format': 'json',
+                'addressdetails': 1,
+            }
+            headers = {'User-Agent': 'WorkTrace/1.0 (Odoo Module)'}
+            try:
+                resp = requests.get(url, params=params, headers=headers, timeout=10)
+                resp.raise_for_status()
+                result = resp.json()
+                rec.address = result.get('display_name', '')
+                rec.place_name = (
+                    result.get('name')
+                    or result.get('address', {}).get('amenity')
+                    or result.get('address', {}).get('shop')
+                    or result.get('address', {}).get('building')
+                    or ''
+                )
+            except Exception:
+                pass
+
+    def action_compute_distances(self):
+        """Compute distances and travel times between sequential location logs for the same date."""
+        dates = self.mapped('date')
+        for date in set(dates):
+            logs = self.search([('date', '=', date)], order='arrived_at asc')
+            prev = None
+            for log in logs:
+                if prev and prev.latitude and log.latitude:
+                    log.distance_from_previous = self._haversine_distance(
+                        prev.latitude, prev.longitude,
+                        log.latitude, log.longitude
+                    )
+                    if prev.departed_at and log.arrived_at:
+                        delta = log.arrived_at - prev.departed_at
+                        log.travel_time_from_previous = max(delta.total_seconds() / 3600, 0)
+                prev = log