Test of time formatted in ISO standard

CHANGELOG.md

@@ -1,6 +1,8 @@
 Upcoming
 --------
 
+*   Using ISO8601 for the default timestamp format. For existing functionality change the `timestamp_fmt` option to
+    `human`. 
 
 1.1
 ---

skins/JSON/current_minimal.json.tmpl

@@ -9,7 +9,11 @@
     },
     "generation":
     {
+        #if $Extras.timestamp_fmt is "human"
         "time": "$current.dateTime.format("%a, %d %b %Y %H:%M:%S %Z")",
+        #else
+        "time": "$current.dateTime.format("%Y-%m-%dT%H:%M:%S%z")",
+        #end if
         "generator": "weewx $station.version"
     },
     "current":

skins/JSON/skin.conf

@@ -1,3 +1,10 @@
+[Extras]
+    #  Format of the timestamp, defaults to ISO, also supports `human`
+    # Defined by python's datetime module https://docs.python.org/3/library/datetime.html
+    # iso   - %Y-%m-%dT%H:%M:%S%z
+    # human - %a, %d %b %Y %H:%M:%S %Z
+    timestamp_fmt = iso
+
 [CheetahGenerator]
     # This section is used by the generator CheetahGenerator, and specifies
     # which files are to be generated from which template.

skins/JSON/weewx.json.tmpl

@@ -9,7 +9,11 @@
     },
     "generation":
     {
+        #if $Extras.timestamp_fmt is "human"
         "time": "$current.dateTime.format("%a, %d %b %Y %H:%M:%S %Z")",
+        #else
+        "time": "$current.dateTime.format("%Y-%m-%dT%H:%M:%S%z")",
+        #end if
         "generator": "weewx $station.version"
     },
     "current":