⏱
CLOCK
📅
CALENDAR
⛶
◐
⊙
○
EN
SV
Period Clock
⏱
TIME
⏸
STOPWATCH
⏬
TIMER
🌍
ZONES
🔔
ALARMS
⟺
CONVERT
⚙
SETTINGS
00:00
PERIOD : MOMENT
.000
PERIOD
0 / 100
MOMENT
0 / 100
UTC
00:00:00
.000
SOLAR
—
LOCAL
00:00:00
EPOCH
0
moments since J2000
1
moment
=
8.64
real seconds
1
period
=
864
real seconds
(14
min
24
sec
)
Day: 100 periods × 100 moments = 10 000 moments
STOPWATCH
00:00
.000
00:00:00
PERIOD : MOMENT
START
LAP
RESET
COUNTDOWN TIMER
00:00
.000
PERIOD : MOMENT
DURATION PP:OO
1m
5m
10m
25m
50m
MAX
START
RESET
TIMEZONE COMPARATOR
CITY
UTC
TIME
P.TIME
+ ADD
+ ADD
ALARMS
TIME CONVERTER
UTC
REAL TIME
—
⎘
PERIOD TIME
—
⎘
Type a time and see the result instantly
DURATION CONVERTER
HOURS
:
MIN
:
SEC
PERIODS
:
MOMENTS
.
×0.001
TIME RANGE → PERIOD DURATION
UTC
FROM
→
TO
Overnight (end is next day)
PERIOD RANGE → REAL DURATION
FROM
→
TO
Overnight (end is next day)
⚙ SETTINGS
LONGITUDE
📍
No DST — period time always based on UTC
PRIMA
1
2026
D1
00
:
00
.000
←
PRIMA
2026
TODAY
→
☰
MONTH
⊞
YEAR
13 months
×
28 days
=
364 days
+
World Day
=
365 days/year
Every month always starts on D1
EVENTS
✕