diff --git a/jc/parsers/date.py b/jc/parsers/date.py
index d09eed5d..df710f69 100644
--- a/jc/parsers/date.py
+++ b/jc/parsers/date.py
@@ -83,7 +83,7 @@ import jc.utils
 
 class info():
     """Provides parser metadata (version, author, etc.)"""
-    version = '2.2'
+    version = '2.3'
     description = '`date` command parser'
     author = 'Kelly Brazil'
     author_email = 'kellyjonbrazil@gmail.com'
@@ -168,7 +168,7 @@ def parse(data, raw=False, quiet=False):
         dt = None
         dt_utc = None
 
-        timestamp = jc.utils.timestamp(data)
+        timestamp = jc.utils.timestamp(data, format_hint=(1000, 6000, 7000))
         if timestamp.naive:
             dt = datetime.fromtimestamp(timestamp.naive)
         if timestamp.utc:
diff --git a/jc/parsers/dig.py b/jc/parsers/dig.py
index b7d32d50..0af225b1 100644
--- a/jc/parsers/dig.py
+++ b/jc/parsers/dig.py
@@ -327,7 +327,7 @@ import jc.utils
 
 class info():
     """Provides parser metadata (version, author, etc.)"""
-    version = '2.2'
+    version = '2.3'
     description = '`dig` command parser'
     author = 'Kelly Brazil'
     author_email = 'kellyjonbrazil@gmail.com'
@@ -384,7 +384,7 @@ def _process(proc_data):
                 auth['ttl'] = jc.utils.convert_to_int(auth['ttl'])
 
         if 'when' in entry:
-            ts = jc.utils.timestamp(entry['when'])
+            ts = jc.utils.timestamp(entry['when'], format_hint=(1000, 7000))
             entry['when_epoch'] = ts.naive
             entry['when_epoch_utc'] = ts.utc
 
diff --git a/jc/parsers/dir.py b/jc/parsers/dir.py
index 5c65750d..f9f168b1 100644
--- a/jc/parsers/dir.py
+++ b/jc/parsers/dir.py
@@ -126,7 +126,7 @@ import jc.utils
 
 class info():
     """Provides parser metadata (version, author, etc.)"""
-    version = '1.4'
+    version = '1.5'
     description = '`dir` command parser'
     author = 'Rasheed Elsaleh'
     author_email = 'rasheed@rebelliondefense.com'
@@ -152,7 +152,7 @@ def _process(proc_data):
         # add timestamps
         if 'date' in entry and 'time' in entry:
             dt = entry['date'] + ' ' + entry['time']
-            timestamp = jc.utils.timestamp(dt)
+            timestamp = jc.utils.timestamp(dt, format_hint=(1600,))
             entry['epoch'] = timestamp.naive
 
         # add ints
diff --git a/jc/parsers/ls.py b/jc/parsers/ls.py
index e497c194..fba2c2a4 100644
--- a/jc/parsers/ls.py
+++ b/jc/parsers/ls.py
@@ -122,7 +122,7 @@ import jc.utils
 
 class info():
     """Provides parser metadata (version, author, etc.)"""
-    version = '1.10'
+    version = '1.11'
     description = '`ls` command parser'
     author = 'Kelly Brazil'
     author_email = 'kellyjonbrazil@gmail.com'
@@ -154,7 +154,7 @@ def _process(proc_data):
         if 'date' in entry:
             # to speed up processing only try to convert the date if it's not the default format
             if not re.match(r'[a-zA-Z]{3}\s{1,2}\d{1,2}\s{1,2}[0-9:]{4,5}', entry['date']):
-                ts = jc.utils.timestamp(entry['date'])
+                ts = jc.utils.timestamp(entry['date'], format_hint=(7200,))
                 entry['epoch'] = ts.naive
                 entry['epoch_utc'] = ts.utc
 
diff --git a/jc/parsers/ls_s.py b/jc/parsers/ls_s.py
index 55bb6154..3f0fef0e 100644
--- a/jc/parsers/ls_s.py
+++ b/jc/parsers/ls_s.py
@@ -118,7 +118,7 @@ def _process(proc_data):
     if 'date' in proc_data:
         # to speed up processing only try to convert the date if it's not the default format
         if not re.match(r'[a-zA-Z]{3}\s{1,2}\d{1,2}\s{1,2}[0-9:]{4,5}', proc_data['date']):
-            ts = jc.utils.timestamp(proc_data['date'])
+            ts = jc.utils.timestamp(proc_data['date'], format_hint=(7200,))
             proc_data['epoch'] = ts.naive
             proc_data['epoch_utc'] = ts.utc
 
diff --git a/jc/parsers/rpm_qi.py b/jc/parsers/rpm_qi.py
index a0e6e689..2a6a81dd 100644
--- a/jc/parsers/rpm_qi.py
+++ b/jc/parsers/rpm_qi.py
@@ -166,7 +166,7 @@ import jc.utils
 
 class info():
     """Provides parser metadata (version, author, etc.)"""
-    version = '1.4'
+    version = '1.5'
     description = '`rpm -qi` command parser'
     author = 'Kelly Brazil'
     author_email = 'kellyjonbrazil@gmail.com'
@@ -197,12 +197,12 @@ def _process(proc_data):
                 entry[key] = jc.utils.convert_to_int(entry[key])
 
         if 'build_date' in entry:
-            timestamp = jc.utils.timestamp(entry['build_date'])
+            timestamp = jc.utils.timestamp(entry['build_date'], format_hint=(3000,))
             entry['build_epoch'] = timestamp.naive
             entry['build_epoch_utc'] = timestamp.utc
 
         if 'install_date' in entry:
-            timestamp = jc.utils.timestamp(entry['install_date'])
+            timestamp = jc.utils.timestamp(entry['install_date'], format_hint=(3000,))
             entry['install_date_epoch'] = timestamp.naive
             entry['install_date_epoch_utc'] = timestamp.utc
 
diff --git a/jc/parsers/rsync.py b/jc/parsers/rsync.py
index 084e37ed..2ab0ea57 100644
--- a/jc/parsers/rsync.py
+++ b/jc/parsers/rsync.py
@@ -185,7 +185,7 @@ def _process(proc_data: List[Dict]) -> List[Dict]:
             if 'date' in entry and 'time' in entry:
                 date = entry['date'].replace('/', '-')
                 date_time = f'{date} {entry["time"]}'
-                ts = jc.utils.timestamp(date_time)
+                ts = jc.utils.timestamp(date_time, format_hint=(7250,))
                 entry['epoch'] = ts.naive
 
     return proc_data
diff --git a/jc/parsers/rsync_s.py b/jc/parsers/rsync_s.py
index bd59151c..d6b697ff 100644
--- a/jc/parsers/rsync_s.py
+++ b/jc/parsers/rsync_s.py
@@ -134,7 +134,7 @@ def _process(proc_data: Dict) -> Dict:
         if 'date' in proc_data and 'time' in proc_data:
             date = proc_data['date'].replace('/', '-')
             date_time = f'{date} {proc_data["time"]}'
-            ts = jc.utils.timestamp(date_time)
+            ts = jc.utils.timestamp(date_time, format_hint=(7250,))
             proc_data['epoch'] = ts.naive
 
     return proc_data
diff --git a/jc/parsers/stat.py b/jc/parsers/stat.py
index 187c018e..af6bbd33 100644
--- a/jc/parsers/stat.py
+++ b/jc/parsers/stat.py
@@ -176,7 +176,7 @@ import jc.utils
 
 class info():
     """Provides parser metadata (version, author, etc.)"""
-    version = '1.10'
+    version = '1.11'
     description = '`stat` command parser'
     author = 'Kelly Brazil'
     author_email = 'kellyjonbrazil@gmail.com'
@@ -213,7 +213,7 @@ def _process(proc_data):
             if key in entry:
                 if entry[key] == '-':
                     entry[key] = None
-                ts = jc.utils.timestamp(entry[key])
+                ts = jc.utils.timestamp(entry[key], format_hint=(7100, 7200))
                 entry[key + '_epoch'] = ts.naive
                 entry[key + '_epoch_utc'] = ts.utc
 
diff --git a/jc/parsers/stat_s.py b/jc/parsers/stat_s.py
index 2632f24c..33b1fa78 100644
--- a/jc/parsers/stat_s.py
+++ b/jc/parsers/stat_s.py
@@ -126,7 +126,7 @@ def _process(proc_data):
         if key in proc_data:
             if proc_data[key] == '-':
                 proc_data[key] = None
-            ts = jc.utils.timestamp(proc_data[key])
+            ts = jc.utils.timestamp(proc_data[key], format_hint=(7100, 7200))
             proc_data[key + '_epoch'] = ts.naive
             proc_data[key + '_epoch_utc'] = ts.utc
 
diff --git a/jc/parsers/systeminfo.py b/jc/parsers/systeminfo.py
index 3cc03a2f..dfcd1ba8 100644
--- a/jc/parsers/systeminfo.py
+++ b/jc/parsers/systeminfo.py
@@ -217,7 +217,7 @@ import jc.utils
 
 class info:
     """Provides parser metadata (version, author, etc.)"""
-    version = "1.1"
+    version = "1.2"
     description = "`systeminfo` command parser"
     author = "Jon Smith"
     author_email = "jon@rebelliondefense.com"
@@ -279,8 +279,10 @@ def _process(proc_data):
             # to: (UTC-0800)
             tz_fields = tz.split()
             tz = " " + tz_fields[0].replace(":", "")
-        proc_data[key + '_epoch'] = jc.utils.timestamp(f"{proc_data.get(key)}{tz}").naive
-        proc_data[key + '_epoch_utc'] = jc.utils.timestamp(f"{proc_data.get(key)}{tz}").utc
+            ts_formats = (1700, 1705, 1710)
+            ts = jc.utils.timestamp(f"{proc_data.get(key)}{tz}", format_hint=ts_formats)
+        proc_data[key + '_epoch'] = ts.naive
+        proc_data[key + '_epoch_utc'] = ts.utc
 
     hyperv_key = "hyperv_requirements"
     hyperv_subkey_list = [
diff --git a/jc/parsers/timedatectl.py b/jc/parsers/timedatectl.py
index 0d58c527..5a5d670a 100644
--- a/jc/parsers/timedatectl.py
+++ b/jc/parsers/timedatectl.py
@@ -69,7 +69,7 @@ import jc.utils
 
 class info():
     """Provides parser metadata (version, author, etc.)"""
-    version = '1.5'
+    version = '1.6'
     description = '`timedatectl status` command parser'
     author = 'Kelly Brazil'
     author_email = 'kellyjonbrazil@gmail.com'
@@ -99,7 +99,7 @@ def _process(proc_data):
             proc_data[key] = jc.utils.convert_to_bool(proc_data[key])
 
     if 'universal_time' in proc_data:
-        ts = jc.utils.timestamp(proc_data['universal_time'])
+        ts = jc.utils.timestamp(proc_data['universal_time'], format_hint=(7300,))
         proc_data['epoch_utc'] = ts.utc
 
     return proc_data
diff --git a/jc/parsers/upower.py b/jc/parsers/upower.py
index 0a3df60d..b6508231 100644
--- a/jc/parsers/upower.py
+++ b/jc/parsers/upower.py
@@ -203,7 +203,7 @@ import jc.utils
 
 class info():
     """Provides parser metadata (version, author, etc.)"""
-    version = '1.3'
+    version = '1.4'
     description = '`upower` command parser'
     author = 'Kelly Brazil'
     author_email = 'kellyjonbrazil@gmail.com'
@@ -234,7 +234,8 @@ def _process(proc_data):
             entry['updated_seconds_ago'] = jc.utils.convert_to_int(updated_list[-3])
 
             if entry['updated']:
-                ts = jc.utils.timestamp(entry['updated'])
+                hints = (1000, 2000, 3000, 4000, 5000, 8000, 8100)
+                ts = jc.utils.timestamp(entry['updated'], format_hint=hints)
                 entry['updated_epoch'] = ts.naive
                 entry['updated_epoch_utc'] = ts.utc
 
diff --git a/jc/parsers/vmstat.py b/jc/parsers/vmstat.py
index a456e0e4..f39a5b71 100644
--- a/jc/parsers/vmstat.py
+++ b/jc/parsers/vmstat.py
@@ -131,7 +131,7 @@ import jc.utils
 
 class info():
     """Provides parser metadata (version, author, etc.)"""
-    version = '1.1'
+    version = '1.2'
     description = '`vmstat` command parser'
     author = 'Kelly Brazil'
     author_email = 'kellyjonbrazil@gmail.com'
@@ -169,7 +169,8 @@ def _process(proc_data):
                 entry[key] = jc.utils.convert_to_int(entry[key])
 
         if entry['timestamp']:
-            ts = jc.utils.timestamp(f'{entry["timestamp"]} {entry["timezone"]}')
+            fmt_hint = (7250, 7255)
+            ts = jc.utils.timestamp(f'{entry["timestamp"]} {entry["timezone"]}', format_hint=fmt_hint)
             entry['epoch'] = ts.naive
             entry['epoch_utc'] = ts.utc
 
diff --git a/jc/parsers/vmstat_s.py b/jc/parsers/vmstat_s.py
index a2e7871f..a6438e6c 100644
--- a/jc/parsers/vmstat_s.py
+++ b/jc/parsers/vmstat_s.py
@@ -145,7 +145,8 @@ def _process(proc_data):
             proc_data[key] = jc.utils.convert_to_int(proc_data[key])
 
     if proc_data['timestamp']:
-        ts = jc.utils.timestamp(f'{proc_data["timestamp"]} {proc_data["timezone"]}')
+        fmt_hint = (7250, 7255)
+        ts = jc.utils.timestamp(f'{proc_data["timestamp"]} {proc_data["timezone"]}', format_hint=fmt_hint)
         proc_data['epoch'] = ts.naive
         proc_data['epoch_utc'] = ts.utc
 
diff --git a/jc/parsers/who.py b/jc/parsers/who.py
index 541df5d1..c66d4003 100644
--- a/jc/parsers/who.py
+++ b/jc/parsers/who.py
@@ -141,7 +141,7 @@ import jc.utils
 
 class info():
     """Provides parser metadata (version, author, etc.)"""
-    version = '1.5'
+    version = '1.6'
     description = '`who` command parser'
     author = 'Kelly Brazil'
     author_email = 'kellyjonbrazil@gmail.com'
@@ -171,7 +171,7 @@ def _process(proc_data):
                 entry[key] = jc.utils.convert_to_int(entry[key])
 
         if 'time' in entry:
-            ts = jc.utils.timestamp(entry['time'])
+            ts = jc.utils.timestamp(entry['time'], format_hint=(1500,))
             entry['epoch'] = ts.naive
 
     return proc_data