diff --git a/care-o-bot/0000000/0000000.bug b/care-o-bot/0000000/0000000.bug
index f9d9c5b5..916406ef 100644
--- a/care-o-bot/0000000/0000000.bug
+++ b/care-o-bot/0000000/0000000.bug
@@ -32,7 +32,7 @@ bug:
   detected-by: developer
   reported-by: member developer
   issue: https://github.com/ipa320/cob_robots/issues/656
-  time-reported: 2017-04-18 (00:00)
+  time-reported: 2017-04-18T14:35:35Z
   reproducibility: rare
   trace: null
 fix:
diff --git a/care-o-bot/105dc16/105dc16.bug b/care-o-bot/105dc16/105dc16.bug
index ef4c6b1d..603d3f0e 100644
--- a/care-o-bot/105dc16/105dc16.bug
+++ b/care-o-bot/105dc16/105dc16.bug
@@ -33,7 +33,8 @@ bug:
   detected-by: developer
   reported-by: developer
   issue: https://github.com/ipa320/cob_control/issues/6
-  time-reported: 2014-07-22 (15:37)
+  time-reported: 2014-08-27T11:10:12Z+0200  # package was not released during issue date;
+                                            # 'git blame indigo/distribution.yaml | grep cob_control' on rosdistro
   reproducibility: always
   trace: null
 fix:
@@ -43,7 +44,7 @@ fix:
     - cob_control/cob_twist_controller/CMakeLists.txt
   languages:
     - CMake
-  time: 2014-11-21 (12:57)
+  time: 2014-11-14T08:16:00Z
   commits:
     - repo: https://github.com/ipa320/cob_control
       hash: 105dc16ffe0b9dba294aabea0c18052cd281bde0
diff --git a/care-o-bot/1518978/1518978.bug b/care-o-bot/1518978/1518978.bug
index b474d09c..d37c62f7 100644
--- a/care-o-bot/1518978/1518978.bug
+++ b/care-o-bot/1518978/1518978.bug
@@ -32,7 +32,7 @@ bug:
   detected-by: developer
   reported-by: member developer
   issue: https://github.com/ipa320/cob_driver/issues/272
-  time-reported: 2016-04-07 (00:00)
+  time-reported: 2016-04-07T08:25:33Z
   reproducibility: sometimes
   trace: null
 fix:
@@ -41,7 +41,7 @@ fix:
   fix-in: ['https://github.com/ipa-fxm/cob_driver/blob/151897840540e8dd662cf6c8c77e5613c84e3424/cob_sound/ros/src/sound.cpp']
   languages:
     - C++
-  time: 2016-04-07 (00:00)
+  time: 2016-04-07T11:47:22Z # the date is same as issue (different time)
   commits:
     - repo: https://github.com/ipa320/cob_driver
       hash: 151897840540e8dd662cf6c8c77e5613c84e3424
diff --git a/care-o-bot/28c23cd/28c23cd.bug b/care-o-bot/28c23cd/28c23cd.bug
index 938b7bfc..f490f9c4 100644
--- a/care-o-bot/28c23cd/28c23cd.bug
+++ b/care-o-bot/28c23cd/28c23cd.bug
@@ -32,7 +32,7 @@ bug:
   detected-by: developer
   reported-by: developer
   issue: https://github.com/ipa320/cob_command_tools/issues/118
-  time-reported: 2015-09-16 (14:58)
+  time-reported: 2015-10-16T12:58:28Z
   reproducibility: always
   trace: null
 fix:
@@ -42,7 +42,7 @@ fix:
     - cob_command_tools/cob_teleop/CMakeLists.txt
   languages:
     - CMake
-  time: 2015-11-24 (19:36)
+  time: 2015-11-24T17:04:25Z
   commits:
     - repo: https://github.com/ipa320/cob_command_tools
       hash: 28c23cd13e5cbade9776b496518facc07cef59f2
diff --git a/care-o-bot/43705f7/43705f7.bug b/care-o-bot/43705f7/43705f7.bug
index 728ad69b..657061eb 100644
--- a/care-o-bot/43705f7/43705f7.bug
+++ b/care-o-bot/43705f7/43705f7.bug
@@ -31,7 +31,7 @@ bug:
   detected-by: developer
   reported-by: member developer
   issue: https://github.com/ipa320/cob_robots/issues/348
-  time-reported: 2015-11-04 (00:00)
+  time-reported: 2015-11-04T14:22:36Z
   reproducibility: sometimes
   trace: null
 fix:
@@ -40,7 +40,7 @@ fix:
   fix-in: ['https://github.com/ipa320/cob_common/pull/179/commits/43705f74847ce09edb971adb50d9e47b14f944cf']
   languages:
     - Xacro
-  time: 2015-11-20 (00:00)
+  time: 2015-11-20T14:05:34Z
   commits:
     - repo: https://github.com/ipa320/cob_common
       hash: 43705f74847ce09edb971adb50d9e47
diff --git a/care-o-bot/79867c8/79867c8.bug b/care-o-bot/79867c8/79867c8.bug
index 7faacc10..c2be5a6d 100644
--- a/care-o-bot/79867c8/79867c8.bug
+++ b/care-o-bot/79867c8/79867c8.bug
@@ -38,7 +38,7 @@ bug:
   detected-by: developer
   reported-by: developer
   issue: https://github.com/ipa320/cob_android/issues/7
-  time-reported: 2015-08-03 (10:09)
+  time-reported: 2015-08-29 12:36:38+0200  # git blame
   reproducibility: always
   trace: null
 fix:
@@ -49,7 +49,7 @@ fix:
     - cob_android/cob_android_script_server/CMakeLists.txt
   languages:
     - CMake
-  time: 2015-08-04 (16:26)
+  time: 2015-08-29 12:36:38+0200  # this is a problem. This is the same date as issue, since package was not released during fix PR
   commits:
     - repo: https://github.com/ipa320/cob_android
       hash: 79867c88acc64342f061e6324ed6b84ca7e0773d
diff --git a/care-o-bot/ac6a181/ac6a181.bug b/care-o-bot/ac6a181/ac6a181.bug
index 0da53f41..0d29bdc2 100644
--- a/care-o-bot/ac6a181/ac6a181.bug
+++ b/care-o-bot/ac6a181/ac6a181.bug
@@ -27,7 +27,7 @@ bug:
   detected-by: developer
   reported-by: developer
   issue: https://github.com/ipa320/cob_command_tools/issues/49
-  time-reported: 2014-05-20 (16:52)
+  time-reported: 2014-05-20T14:52:47Z
   reproducibility: always
   trace: null
 fix:
@@ -37,7 +37,7 @@ fix:
     - cob_command_tools/cob_script_server/package.xml
   languages:
     - Package XML
-  time: 2014-08-26 (08:57)
+  time: 2014-06-18T15:24:43Z
   commits:
     - repo: https://github.com/ipa320/cob_command_tools
       hash: 81aa175d76608fbac6655ce745e8eaa1d35f51f9
diff --git a/care-o-bot/b826eae/b826eae.bug b/care-o-bot/b826eae/b826eae.bug
index 5e60bfed..9eabe1b8 100644
--- a/care-o-bot/b826eae/b826eae.bug
+++ b/care-o-bot/b826eae/b826eae.bug
@@ -33,7 +33,7 @@ bug:
   detected-by: developer
   reported-by: member developer
   issue: https://github.com/ipa320/cob_robots/issues/552
-  time-reported: 2016-11-04 (00:00)
+  time-reported: 2016-11-04T13:46:23Z
   reproducibility: sometimes
   trace: null
 fix:
@@ -42,7 +42,7 @@ fix:
   fix-in: ['https://github.com/ipa-fmw/cob_robots/blob/b826eaeae5c8dc548ac2c97002725c7a8131137e/cob_hardware_config/cob3-9/urdf/cob3-9.urdf.xacro']
   languages:
     - Xacro
-  time: 2016-11-10 (00:00)
+  time: 2016-11-10T22:26:13Z
   commits:
     - repo: https://github.com/ipa320/cob_robots
       hash: b826eaeae5c8dc548ac2c97002725c7a8131137e
diff --git a/care-o-bot/c8091b6/c8091b6.bug b/care-o-bot/c8091b6/c8091b6.bug
index 4e696e06..e5ccd872 100644
--- a/care-o-bot/c8091b6/c8091b6.bug
+++ b/care-o-bot/c8091b6/c8091b6.bug
@@ -28,7 +28,7 @@ bug:
   detected-by: developer
   reported-by: developer
   issue: https://github.com/ipa320/cob_command_tools/issues/74
-  time-reported: 2015-01-14 (15:17)
+  time-reported: 2015-01-14T14:17:46Z
   reproducibility: always
   trace: null
 fix:
@@ -38,7 +38,7 @@ fix:
     - cob_command_tools/cob_command_gui/src/knoeppkes.py
   languages:
     - Python
-  time: 2015-03-13 (16:21)
+  time: 2015-03-13T15:21:08Z
   commits:
     - repo: https://github.com/ipa320/cob_command_tools
       hash: c8091b68c69eeae0bb7777ad6fa44d644c20f96c
diff --git a/care-o-bot/ca7b536/ca7b536.bug b/care-o-bot/ca7b536/ca7b536.bug
index 66539416..082d6d92 100644
--- a/care-o-bot/ca7b536/ca7b536.bug
+++ b/care-o-bot/ca7b536/ca7b536.bug
@@ -34,7 +34,7 @@ bug:
   detected-by: developer
   reported-by: developer
   issue: https://github.com/ipa320/cob_control/issues/48
-  time-reported: 2015-08-03 (14:15)
+  time-reported: 2015-08-03T12:15:20Z
   reproducibility: always
   trace: null
 fix:
@@ -44,7 +44,7 @@ fix:
     - cob_control/cob_obstacle_distance/CMakeLists.txt
   languages:
     - CMake
-  time: 2015-08-04 (13:09)
+  time: 2015-08-02T16:04:28Z
   commits:
     - repo: https://github.com/ipa320/cob_control
       hash: ca7b536390bcf76bf4ab6e62354c52bd51fb1ece
diff --git a/care-o-bot/e9ed0f8/e9ed0f8.bug b/care-o-bot/e9ed0f8/e9ed0f8.bug
index 3089a8fa..51c256c7 100644
--- a/care-o-bot/e9ed0f8/e9ed0f8.bug
+++ b/care-o-bot/e9ed0f8/e9ed0f8.bug
@@ -35,7 +35,7 @@ bug:
   detected-by: developer
   reported-by: developer
   issue: https://github.com/ipa320/cob_control/issues/17
-  time-reported: 2014-12-03 (09:04)
+  time-reported: 2014-12-03T08:04:03Z
   reproducibility: always
   trace: null
 fix:
@@ -47,7 +47,7 @@ fix:
   languages:
     - CMake
     - Package XML
-  time: 2015-08-08 (10:05)
+  time: 2015-08-08T08:01:32Z
   commits:
     - repo: https://github.com/ros-simulation/gazebo_ros_pkgs
       hash: e9ed0f8e157398621987bd61e2d78683cd945c2b
diff --git a/turtlebot/3390789/3390789.bug b/turtlebot/3390789/3390789.bug
index 863c7a7c..81e592c1 100644
--- a/turtlebot/3390789/3390789.bug
+++ b/turtlebot/3390789/3390789.bug
@@ -22,7 +22,7 @@ bug:
   detected-by: build system
   reported-by: member developer
   issue: https://github.com/turtlebot/turtlebot/issues/185
-  time-reported: 2015-01-06 (23:43)
+  time-reported: 2015-01-06T23:43:52Z
   reproducibility: always
   trace: ""
   reproduction: >
@@ -38,7 +38,7 @@ fix:
   fix-in: ['turtlebot_bringup/package.xml', 'turtlebot_capabilities/package.xml']
   languages:
     - Package XML
-  time: 2015-01-09 (09:15)
+  time: 2015-01-09T09:15:03Z
   commits:
     - repo: https://github.com/turtlebot/turtlebot
       hash: 339078942cf67457bc472e07a3e75e9895ebf2f7
diff --git a/turtlebot/3e32933/3e32933.bug b/turtlebot/3e32933/3e32933.bug
index 97421fa8..026a7f94 100644
--- a/turtlebot/3e32933/3e32933.bug
+++ b/turtlebot/3e32933/3e32933.bug
@@ -37,7 +37,7 @@ bug:
   detected-by: developer
   reported-by: contributor
   issue: https://github.com/turtlebot/turtlebot/issues/103
-  time-reported: 2013-10-16 (04:53)
+  time-reported: 2013-10-16T03:53:04Z
   reproducibility: sometimes
   trace: null
   reproduction-images:
@@ -57,7 +57,7 @@ fix:
     - turtlebot_bringup/launch/3dsensor.launch
   languages:
     - Launch XML
-  time: 2014-04-02 (08:50)
+  time: 2014-04-03T02:07:54Z
   commits:
     - repo: https://github.com/turtlebot/turtlebot
       hash: 3e32933c829e308600707a9f971334d13d1cbe19
diff --git a/turtlebot/3e32933/ROBUST_IGNORE b/turtlebot/3e32933/ROBUST_IGNORE
new file mode 100644
index 00000000..e69de29b
diff --git a/turtlebot/3ea2c30/3ea2c30.bug b/turtlebot/3ea2c30/3ea2c30.bug
index 37953ad5..6e76d6ba 100644
--- a/turtlebot/3ea2c30/3ea2c30.bug
+++ b/turtlebot/3ea2c30/3ea2c30.bug
@@ -30,7 +30,7 @@ bug:
   detected-by: developer
   reported-by: guest user
   issue: https://github.com/turtlebot/turtlebot/issues/163
-  time-reported: 2014-09-11 (11:54)
+  time-reported: 2014-09-11 (11:54)   # 2014-09-11T10:54:53Z
   reproducibility: always
   trace: null
 fix:
@@ -48,4 +48,4 @@ fix:
   languages:
     - CMake
     - Shell
-  time: 2014-09-16 (00:26)
+  time: 2014-09-16 (00:26)  # 2014-09-15T23:28:22Z
diff --git a/turtlebot/3ea2c30/ROBUST_IGNORE b/turtlebot/3ea2c30/ROBUST_IGNORE
new file mode 100644
index 00000000..e69de29b
diff --git a/turtlebot/61a75df/61a75df.bug b/turtlebot/61a75df/61a75df.bug
index 226830b1..3f68fead 100644
--- a/turtlebot/61a75df/61a75df.bug
+++ b/turtlebot/61a75df/61a75df.bug
@@ -32,7 +32,7 @@ bug:
   detected-by: runtime crash
   reported-by: guest user
   issue: https://github.com/turtlebot/turtlebot/issues/250
-  time-reported: 2017-01-30 (23:27)
+  time-reported: 2017-01-30T23:27:06Z
   reproducibility: always
   trace: "ImportError: cannot import name QMessageBox"
   reproduction: >
@@ -45,7 +45,7 @@ fix:
   fix-in: ['kobuki_dashboard/src/kobuki_dashboard/battery_widget.py', 'kobuki_dashboard/src/kobuki_dashboard/dashboard.py']
   languages:
     - Python
-  time: 2017-02-22 (14:10)
+  time: 2017-02-22T14:14:31Z
   commits:
     - repo: https://github.com/yujinrobot/kobuki_desktop
       hash: 61a75df171e8ac8f34ed848456a7a267d4d9d3e3
diff --git a/turtlebot/891cb68/891cb68.bug b/turtlebot/891cb68/891cb68.bug
index 0eb13dfd..07ff6308 100644
--- a/turtlebot/891cb68/891cb68.bug
+++ b/turtlebot/891cb68/891cb68.bug
@@ -23,7 +23,7 @@ bug:
   detected-by: runtime crash
   reported-by: contributor
   issue: https://github.com/turtlebot/turtlebot/issues/113
-  time-reported: 2013-11-05 (17:28)
+  time-reported: 2013-11-05T17:28:59Z
   reproducibility: always
   trace: null
   reproduction: >
@@ -34,7 +34,7 @@ fix:
   fix-in: ['turtlebot_bringup/package.xml']
   languages:
     - Package XML
-  time: 2013-11-06 (08:29)
+  time: 2013-11-05T17:28:59Z
   commits:
     - repo: https://github.com/turtlebot/turtlebot
       hash: 891cb680e98694e63a55394140bffdcde43f3f5e
diff --git a/turtlebot/891cb68/ROBUST_IGNORE b/turtlebot/891cb68/ROBUST_IGNORE
new file mode 100644
index 00000000..e69de29b
diff --git a/turtlebot/928306b/928306b.bug b/turtlebot/928306b/928306b.bug
index 5ba4beaa..5db79c4d 100644
--- a/turtlebot/928306b/928306b.bug
+++ b/turtlebot/928306b/928306b.bug
@@ -27,7 +27,7 @@ bug:
   detected-by: developer
   reported-by: contributor
   issue: https://github.com/turtlebot/turtlebot/issues/102
-  time-reported: 2013-10-04 (08:04)
+  time-reported: 2013-10-04T07:04:26Z
   reproducibility: always
   trace: null
 fix:
@@ -45,4 +45,4 @@ fix:
   languages:
     - Python
     - Launch XML
-  time: 2013-11-02 (04:24)
+  time: 2013-11-02T04:24:25Z
diff --git a/turtlebot/928306b/ROBUST_IGNORE b/turtlebot/928306b/ROBUST_IGNORE
new file mode 100644
index 00000000..e69de29b
diff --git a/turtlebot/9299530/9299530.bug b/turtlebot/9299530/9299530.bug
index d95e57a6..8bb135ad 100644
--- a/turtlebot/9299530/9299530.bug
+++ b/turtlebot/9299530/9299530.bug
@@ -22,7 +22,7 @@ bug:
   detected-by: developer
   reported-by: member developer
   issue: https://github.com/turtlebot/turtlebot/issues/65
-  time-reported: 2013-03-29 (08:58)
+  time-reported: 2013-03-29T08:58:55Z
   reproducibility: always
   trace: null
 fix:
@@ -52,4 +52,4 @@ fix:
   languages:
     - Xacro
     - COLLADA
-  time: 2013-04-01 (04:36)
+  time: 2013-04-01T03:36:39Z
diff --git a/turtlebot/9ffffca/9ffffca.bug b/turtlebot/9ffffca/9ffffca.bug
index 1f3ab3da..84ddc6da 100644
--- a/turtlebot/9ffffca/9ffffca.bug
+++ b/turtlebot/9ffffca/9ffffca.bug
@@ -29,7 +29,7 @@ bug:
   detected-by: developer
   reported-by: contributor
   issue: https://github.com/turtlebot/turtlebot/issues/234
-  time-reported: 2016-10-26 (10:29)
+  time-reported: 2016-10-26T09:29:28Z
   reproducibility: always
   trace: null
 fix:
@@ -38,7 +38,7 @@ fix:
   fix-in: ['turtlebot_teleop/launch/includes/velocity_smoother.launch.xml']
   languages:
     - Launch XML
-  time: 2016-10-26 (13:56)
+  time: 2016-10-26T12:58:08Z
   commits:
     - repo: https://github.com/turtlebot/turtlebot
       hash: 9ffffcaeca7dd5a1fbb327c7289b8a11f84da39f
diff --git a/turtlebot/a482f82/ROBUST_IGNORE b/turtlebot/a482f82/ROBUST_IGNORE
new file mode 100644
index 00000000..e69de29b
diff --git a/turtlebot/a482f82/a482f82.bug b/turtlebot/a482f82/a482f82.bug
index 4392026a..37953354 100644
--- a/turtlebot/a482f82/a482f82.bug
+++ b/turtlebot/a482f82/a482f82.bug
@@ -23,7 +23,7 @@ bug:
   detected-by: developer
   reported-by: member developer
   issue: https://github.com/turtlebot/turtlebot/issues/80
-  time-reported: 2013-07-26 (05:45)
+  time-reported: 2013-07-26T04:45:22Z
   reproducibility: sometimes
   trace: null
 fix:
@@ -39,7 +39,7 @@ fix:
     - launch/openni.launch
   languages:
     - Launch XML
-  time: 2013-07-27 (02:39)
+  time: 2013-07-27T01:39:10Z
   commits:
     - repo: https://github.com/ros-drivers/openni_launch
       hash: a482f8268042aa8fae0e73970ed2af5dfd01e5df
diff --git a/turtlebot/a4f35ee/a4f35ee.bug b/turtlebot/a4f35ee/a4f35ee.bug
index e5bc5c86..6bcaf642 100644
--- a/turtlebot/a4f35ee/a4f35ee.bug
+++ b/turtlebot/a4f35ee/a4f35ee.bug
@@ -29,7 +29,7 @@ bug:
   detected-by: runtime crash
   reported-by: guest user
   issue: https://github.com/turtlebot/turtlebot/issues/186
-  time-reported: 2015-01-07 (17:20)
+  time-reported: 2015-01-07T17:20:53Z
   reproducibility: always
   trace: |
     Traceback (most recent call last):
@@ -63,4 +63,4 @@ fix:
     - src/rosdep2/platforms/debian.py
   languages:
     - Python
-  time: 2015-01-22 (23:52)
+  time: 2015-01-22T21:55:23Z
diff --git a/turtlebot/f01d952/ROBUST_IGNORE b/turtlebot/f01d952/ROBUST_IGNORE
new file mode 100644
index 00000000..e69de29b
diff --git a/turtlebot/f01d952/f01d952.bug b/turtlebot/f01d952/f01d952.bug
index b9f0f632..a7a7f269 100644
--- a/turtlebot/f01d952/f01d952.bug
+++ b/turtlebot/f01d952/f01d952.bug
@@ -23,7 +23,7 @@ bug:
   detected-by: runtime crash
   reported-by: contributor
   issue: https://github.com/turtlebot/turtlebot/issues/142
-  time-reported: 2014-06-12 (10:04)
+  time-reported: 2014-06-12T09:04:16Z
   reproducibility: always
   trace: |
     [ INFO] [1402564815.530736554]: /camera/rgb/camera_info -> /camera/rgb/camera_info
@@ -46,7 +46,7 @@ fix:
   fix-in: ['depth_image_proc/package.xml']
   languages:
     - Package XML
-  time: 2014-06-13 (01:12)
+  time: 2014-06-13T00:13:14Z  # 1st entry on 2014-12-01 09:43:17
   commits:
     - repo: https://github.com/ros-perception/image_pipeline
       hash: f01d9525901b75858047e6fa81e4efc92c7dfedc