[Bug]: getting wrong timestamp

[PFLTech]

Required Reading

• Confirmed

Plugin Version

flutter_background_geolocation: ^4.16.9

Flutter Doctor

Doctor summary (to see all details, run flutter doctor -v):
[√] Flutter (Channel stable, 3.19.3, on Microsoft Windows [Version 10.0.19045.6466], locale en-IN)
[√] Windows Version (10 Pro 64-bit, 22H2, 2009)
[!] Android toolchain - develop for Android devices (Android SDK version 35.0.0)
    ! Some Android licenses not accepted. To resolve this, run: flutter doctor --android-licenses
[√] Chrome - develop for the web
[√] Visual Studio - develop Windows apps (Visual Studio Community 2022 17.14.21 (November 2025))
[√] Android Studio (version 2022.3)
[√] VS Code (version unknown)
    X Unable to determine VS Code version.
[√] Connected device (3 available)
[√] Network resources
 
! Doctor found issues in 1 category.

Mobile operating-system(s)

• iOS
• Android

Device Manufacturer(s) and Model(s)

all

Device operating-systems(s)

all

What happened?

we are getting wrong time stamp. we received request on 2026-02-26 17:47:19.823 but in response we are getting 2026-02-25

{
"location": [
{
"event": "motionchange",
"is_moving": false,
"uuid": "824eb9a2-5bf6-4aac-882f-53a069880f3c",
"timestamp": "2026-02-25T11:43:21.946Z",
"age": 578,
"odometer": 1127672.5,
"coords": {
"latitude": 26.9141887,
"longitude": 75.8064139,
"accuracy": 4.3,
"speed": 0.01,
"speed_accuracy": 2.8,
"heading": -1,
"heading_accuracy": -1,
"altitude": 389.4,
"ellipsoidal_altitude": 389.4,
"altitude_accuracy": 2.24,
"age": 604
},
"activity": {
"type": "still",
"confidence": 100
},
"battery": {
"is_charging": false,
"level": 0.6
},
"extras": {}
},
{
"event": "motionchange",
"is_moving": true,
"uuid": "7396b6b6-3073-4409-849e-9c2a2d31715b",
"timestamp": "2026-02-25T11:43:21.946Z",
"age": 1139,
"odometer": 1127672.5,
"coords": {
"latitude": 26.9141887,
"longitude": 75.8064139,
"accuracy": 4.3,
"speed": 0.01,
"speed_accuracy": 2.8,
"heading": -1,
"heading_accuracy": -1,
"altitude": 389.4,
"ellipsoidal_altitude": 389.4,
"altitude_accuracy": 2.24,
"age": 1180
},
"activity": {
"type": "still",
"confidence": 100
},
"battery": {
"is_charging": false,
"level": 0.6
},
"extras": {}
},
{
"is_moving": true,
"uuid": "8a74ca49-31fd-45d2-860b-da2fcc0bd051",
"timestamp": "2026-02-25T11:43:23.374Z",
"age": 2845,
"odometer": 1127672.5,
"coords": {
"latitude": 26.9141885,
"longitude": 75.8064138,
"accuracy": 61.51,
"speed": 0.01,
"speed_accuracy": 1.5,
"heading": -1,
"heading_accuracy": -1,
"altitude": 389.4,
"ellipsoidal_altitude": 389.4,
"altitude_accuracy": 2.66,
"age": 2851
},
"activity": {
"type": "still",
"confidence": 100
},
"battery": {
"is_charging": false,
"level": 0.6
},
"extras": {}
},
{
"is_moving": true,
"uuid": "8cc0dc35-77d4-4792-bde4-0a9bf1a473c9",
"timestamp": "2026-02-25T11:43:23.374Z",
"age": 254737,
"odometer": 1127693.8,
"coords": {
"latitude": 26.9141885,
"longitude": 75.8064138,
"accuracy": 61.51,
"speed": 0.01,
"speed_accuracy": 1.5,
"heading": -1,
"heading_accuracy": -1,
"altitude": 389.4,
"ellipsoidal_altitude": 389.4,
"altitude_accuracy": 2.66,
"age": 254745
},
"activity": {
"type": "still",
"confidence": 100
},
"battery": {
"is_charging": false,
"level": 0.59
},
"extras": {}
},
{
"is_moving": true,
"uuid": "452f7ecf-61ef-41f1-838d-8d6bedc6bb77",
"timestamp": "2026-02-25T11:44:22.948Z",
"age": 195265,
"odometer": 1127693.8,
"coords": {
"latitude": 26.9143775,
"longitude": 75.8064517,
"accuracy": 4.02,
"speed": 0.35,
"speed_accuracy": 2.9,
"heading": 180,
"heading_accuracy": 57.6,
"altitude": 389.4,
"ellipsoidal_altitude": 389.4,
"altitude_accuracy": 1.77,
"age": 195272
},
"activity": {
"type": "still",
"confidence": 100
},
"battery": {
"is_charging": false,
"level": 0.59
},
"extras": {}
},
{
"is_moving": true,
"uuid": "aaaae511-97e0-473f-b97c-ef39cd89ae10",
"timestamp": "2026-02-25T11:47:39.030Z",
"age": 866,
"odometer": 1127693.8,
"coords": {
"latitude": 26.9142373,
"longitude": 75.8064357,
"accuracy": 16.99,
"speed": -1,
"speed_accuracy": 1.5,
"heading": -1,
"heading_accuracy": 45,
"altitude": 389.4,
"ellipsoidal_altitude": 389.4,
"altitude_accuracy": 2.48,
"age": 884
},
"activity": {
"type": "still",
"confidence": 100
},
"battery": {
"is_charging": false,
"level": 0.59
},
"extras": {}
},
{
"event": "motionchange",
"is_moving": false,
"uuid": "ddcc67d6-3e6f-4d35-b5a0-c79b0ce19cb2",
"timestamp": "2026-02-25T11:48:22.947Z",
"age": 973,
"odometer": 1127693.8,
"coords": {
"latitude": 26.9143217,
"longitude": 75.8064067,
"accuracy": 3.32,
"speed": 0,
"speed_accuracy": 1.3,
"heading": -1,
"heading_accuracy": -1,
"altitude": 389.4,
"ellipsoidal_altitude": 389.4,
"altitude_accuracy": 1.5,
"age": 986
},
"activity": {
"type": "still",
"confidence": 100
},
"battery": {
"is_charging": false,
"level": 0.59
},
"extras": {}
},
{
"event": "motionchange",
"is_moving": true,
"uuid": "48da119f-c367-43dc-bb66-e3af59238289",
"timestamp": "2026-02-25T11:48:22.947Z",
"age": 1184,
"odometer": 1127693.8,
"coords": {
"latitude": 26.9143217,
"longitude": 75.8064067,
"accuracy": 3.32,
"speed": 0,
"speed_accuracy": 1.3,
"heading": -1,
"heading_accuracy": -1,
"altitude": 389.4,
"ellipsoidal_altitude": 389.4,
"altitude_accuracy": 1.5,
"age": 1189
},
"activity": {
"type": "still",
"confidence": 100
},
"battery": {
"is_charging": false,
"level": 0.59
},
"extras": {}
},
{
"is_moving": true,
"uuid": "3db9244b-def7-437d-92e5-6d856582e75d",
"timestamp": "2026-02-25T11:48:29.467Z",
"age": 185,
"odometer": 1127693.8,
"coords": {
"latitude": 26.914249,
"longitude": 75.8064347,
"accuracy": 4.1,
"speed": 0.03,
"speed_accuracy": 1.5,
"heading": -1,
"heading_accuracy": -1,
"altitude": 389.4,
"ellipsoidal_altitude": 389.4,
"altitude_accuracy": 1.03,
"age": 189
},
"activity": {
"type": "still",
"confidence": 100
},
"battery": {
"is_charging": false,
"level": 0.59
},
"extras": {}
},
{
"event": "motionchange",
"is_moving": true,
"uuid": "75ecc2ba-a545-4e35-87c0-3b8355e3205b",
"timestamp": "2026-02-25T11:48:36.968Z",
"age": 158,
"odometer": 1127693.8,
"coords": {
"latitude": 26.9142566,
"longitude": 75.8064333,
"accuracy": 4.3,
"speed": 0,
"speed_accuracy": 1.7,
"heading": -1,
"heading_accuracy": -1,
"altitude": 389.4,
"ellipsoidal_altitude": 389.4,
"altitude_accuracy": 1.17,
"age": 166
},
"activity": {
"type": "still",
"confidence": 100
},
"battery": {
"is_charging": false,
"level": 0.59
},
"extras": {}
}
],
"cmpId": "PINKCITY",
"EmpCode": "TPF-25-09-0303"
}
this is what we getting in.

and for another device response for creation date is 2026-02-26 12:37:34.443 in response we getting 2026-02-26

{
"location": [
{
"event": "motionchange",
"is_moving": true,
"uuid": "adc0973e-6cb1-4239-954a-c11bf32329b1",
"timestamp": "2026-02-26T03:57:30.651Z",
"age": 726,
"odometer": 26013.6,
"coords": {
"latitude": 26.9142333,
"longitude": 75.8055767,
"accuracy": 1.52,
"speed": 1.23,
"speed_accuracy": 1.1,
"heading": 115,
"heading_accuracy": 44.7,
"altitude": 389.4,
"ellipsoidal_altitude": 389.4,
"altitude_accuracy": 7.99,
"age": 737
},
"activity": {
"type": "walking",
"confidence": 100
},
"battery": {
"is_charging": false,
"level": 0.29
},
"extras": {}
},
{
"is_moving": true,
"uuid": "ab6ba9cb-f146-4b97-9033-424c9f13f8f8",
"timestamp": "2026-02-26T03:57:31.389Z",
"age": 96,
"odometer": 26015.8,
"coords": {
"latitude": 26.9142334,
"longitude": 75.8055988,
"accuracy": 1.83,
"speed": 1.33,
"speed_accuracy": 0.14,
"heading": 119.18,
"heading_accuracy": 9.65,
"altitude": 389.4,
"ellipsoidal_altitude": 389.4,
"altitude_accuracy": 7.99,
"age": 101
},
"activity": {
"type": "walking",
"confidence": 100
},
"battery": {
"is_charging": false,
"level": 0.29
},
"extras": {}
},
{
"is_moving": true,
"uuid": "f4c785f0-85e9-4a02-9985-4f207d14389d",
"timestamp": "2026-02-26T03:59:48.128Z",
"age": 168,
"odometer": 26094.4,
"coords": {
"latitude": 26.914092,
"longitude": 75.8063747,
"accuracy": 12.25,
"speed": 0.01,
"speed_accuracy": 1.5,
"heading": -1,
"heading_accuracy": -1,
"altitude": 391.6,
"ellipsoidal_altitude": 391.6,
"altitude_accuracy": 1.03,
"age": 173
},
"activity": {
"type": "still",
"confidence": 100
},
"battery": {
"is_charging": false,
"level": 0.28
},
"extras": {}
},
{
"is_moving": true,
"uuid": "018a9fee-0068-4fda-8f1b-b3225dcf42f8",
"timestamp": "2026-02-26T07:03:16.856Z",
"age": 1516,
"odometer": 26094.4,
"coords": {
"latitude": 26.9141272,
"longitude": 75.8064298,
"accuracy": 13.83,
"speed": -1,
"speed_accuracy": 1.5,
"heading": -1,
"heading_accuracy": 45,
"altitude": 391.6,
"ellipsoidal_altitude": 391.6,
"altitude_accuracy": 1,
"age": 1525
},
"activity": {
"type": "still",
"confidence": 100
},
"battery": {
"is_charging": false,
"level": 0.22
},
"extras": {}
},
{
"is_moving": true,
"uuid": "e1974f6c-dd78-4446-bf3e-182e434c8627",
"timestamp": "2026-02-26T07:03:39.259Z",
"age": 178,
"odometer": 26094.4,
"coords": {
"latitude": 26.9141258,
"longitude": 75.8064254,
"accuracy": 13.78,
"speed": 0.62,
"speed_accuracy": 1.5,
"heading": 51.06,
"heading_accuracy": 45,
"altitude": 391.6,
"ellipsoidal_altitude": 391.6,
"altitude_accuracy": 1,
"age": 182
},
"activity": {
"type": "still",
"confidence": 100
},
"battery": {
"is_charging": false,
"level": 0.22
},
"extras": {}
}
],
"cmpId": "PINKCITY",
"EmpCode": "PFL-24-02-876"
}

why we getting time stamp different for many devices. our time time zone is IST. This issue we are getting on release mode.

Plugin Code and/or Config

bg.BackgroundGeolocation.ready(
  bg.Config(
    locationAuthorizationRequest: 'Always',
    disableLocationAuthorizationAlert: false,
    disableMotionActivityUpdates: false,
    // backgroundPermissionRationale: bg.PermissionRationale(
    //     title: "Give me Location bro",
    //     message: "I want you for testing",
    //     positiveAction: "Click here",
    //     negativeAction: "Don't click here"),
    // stationaryRadius: 200,
    // minimumActivityRecognitionConfidence: 75,
    desiredAccuracy: bg.Config.DESIRED_ACCURACY_HIGH,
    distanceFilter: 250,
    // Set distance filter to 100 meters
    disableElasticity: true,
    stationaryRadius: 50,
    activityRecognitionInterval: 15000,
    speedJumpFilter: 25,
    preventSuspend: true,
    stopOnTerminate: false,
    startOnBoot: true,
    debug: false,
    allowIdenticalLocations: true,
    logLevel: bg.Config.LOG_LEVEL_VERBOSE,
    foregroundService: true,
    // forceReloadOnLocationChange: true,
    // geofenceModeHighAccuracy: true,
    // forceReloadOnGeofence: true,
    // forceReloadOnMotionChange: true,
    // isMoving: true,
    // locationUpdateInterval: 6000,
    enableHeadless: true,
    showsBackgroundLocationIndicator: false,
    stopOnStationary: false,
    pausesLocationUpdatesAutomatically: false,
    schedule: [],
    //new
    heartbeatInterval: 900,
    autoSyncThreshold: 5,
    batchSync: true,
    maxBatchSize: 10,
    // Server endpoint
    url: Common.domain + "",

    // Authorization header
    headers: header,

    // Parameters to send with each location
    params: {'EmpCode': widget.employeecode, 'cmpId': Common.cmpId, 'imeiNo': Common.getImeiNumber()},
    // extras: {
    //   "trackingId": trackingID,
    // },

    // Sync and HTTP settings
    autoSync: true,
    // Automatically send locations to the server
    method: 'POST', // HTTP POST method
  ),
)

Relevant log output

[PFLTech]

please reply

[github-actions]

This issue is stale because it has been open for 30 days with no activity.

[github-actions]

This issue was closed because it has been inactive for 14 days since being marked as stale.