FD mark
FlatlineDynamics
HDG020
UTC--:--:--
ZONEUTC
FD–CHRCHRONOS · TIME REFERENCE STATION
STN
LIVE
STATIONS · WLD-CLK
SFOSAN FRANCISCOUTC-07 · WORK HRS
09:31
JFKNEW YORKUTC-04 · WORK HRS
12:31
LHRLONDONUTC+01 · WORK HRS
17:31
DXBDUBAIUTC+04 · OFF-HRS
20:31
HNDTOKYOUTC+09 · NIGHT
01:31
SYDSYDNEYUTC+10 · NIGHT
02:31
HELIOS · LUNA
DAYLIGHT15h 29m
ASTRO DAWN02:28NAUTICAL03:47CIVIL04:42↑ SUNRISE05:23SOLAR NOON13:08↓ SUNSET20:52CIVIL21:33NAUTICAL22:28ASTRO DUSK23:47
WANING GIBBOUS
ILLUM 95.0%
AGE 16.9d
SYNODIC 29.53d
PRIMARY · LONDON / LONDON
DAYFRIDAY
DATEJUL 31
WKW31
JD212
Q · YEARQ3 · 2026
DAY GLASS · 24H RADIAL
000306091215182124H17:31:37LONDON
KEY
ASTRO
NAUTICAL
CIVIL
DAYLIGHT
NOW
SUN
MOON
BCD · HH MM SS
1
6
3
1
3
7
ORBITAL · CYCLE PROGRESS
DAY68.86%
WEEK67.0%
MONTH99.0%
QUARTERQ3 · 33.4%
YEAR2026 · 58.00%
ALT FORMATS · CHRONO-FMT
UNIX EPOCHSECONDS SINCE 1970-01-01
1 785 515 497
ISO 8601 / ZSTANDARD INSTANT
2026-07-31T16:31:37Z
SWATCH BEATINTERNET TIME · BMT
@730.29
SIDEREALLOCAL · STARS NOT SUN
13:08:21
HEX TIMEDAY AS 16-BIT FRAC
.B049
DECIMAL10h · 100m · 100s
6.88.62
STOPWATCH · CHRONO-T
00:00:00.00
TIMER · CHRONO-D
25:00
COUNTDOWN
COUNTDOWN · T-MINUS
NEXT HOUR
T−00:28:22
EOD · 17:00
T−00:28:22
MIDNIGHT
T−07:28:22
WEEKEND
T−07:28:22
END OF MONTH
T−07:28:22
END OF YEAR
T−153d 07:28:22
◆ATOMIC ANCHOR · CESIUM-133 · 9,192,631,770 Hz◆LEAP SECONDS SINCE 1972 · 27◆MEAN SIDEREAL DAY · 23h 56m 04.0905s◆EARTH ROTATION · 1670 KM/H @ EQUATOR◆SOLAR DAY · 86400.002s NOMINAL◆CURRENT BMT @730 · UTC+1 SWATCH REFERENCE◆ISO 8601 RFC 3339 · 2026-07-31T16:31:37.142Z◆J2000 EPOCH · 2000-01-01 12:00 TT◆UNIX EPOCH · 1970-01-01 00:00:00 Z◆THE LINE STARTS HERE · FLATLINE DYNAMICS · FD-CHRONOS◆TAI−UTC · +37s · LAST LEAP 2016-12-31◆GPS CONSTELLATION · 31 ACTIVE SVs · 6 PLANES◆ATOMIC ANCHOR · CESIUM-133 · 9,192,631,770 Hz◆LEAP SECONDS SINCE 1972 · 27◆MEAN SIDEREAL DAY · 23h 56m 04.0905s◆EARTH ROTATION · 1670 KM/H @ EQUATOR◆SOLAR DAY · 86400.002s NOMINAL◆CURRENT BMT @730 · UTC+1 SWATCH REFERENCE◆ISO 8601 RFC 3339 · 2026-07-31T16:31:37.142Z◆J2000 EPOCH · 2000-01-01 12:00 TT◆UNIX EPOCH · 1970-01-01 00:00:00 Z◆THE LINE STARTS HERE · FLATLINE DYNAMICS · FD-CHRONOS◆TAI−UTC · +37s · LAST LEAP 2016-12-31◆GPS CONSTELLATION · 31 ACTIVE SVs · 6 PLANES◆ATOMIC ANCHOR · CESIUM-133 · 9,192,631,770 Hz◆LEAP SECONDS SINCE 1972 · 27◆MEAN SIDEREAL DAY · 23h 56m 04.0905s◆EARTH ROTATION · 1670 KM/H @ EQUATOR◆SOLAR DAY · 86400.002s NOMINAL◆CURRENT BMT @730 · UTC+1 SWATCH REFERENCE◆ISO 8601 RFC 3339 · 2026-07-31T16:31:37.142Z◆J2000 EPOCH · 2000-01-01 12:00 TT◆UNIX EPOCH · 1970-01-01 00:00:00 Z◆THE LINE STARTS HERE · FLATLINE DYNAMICS · FD-CHRONOS◆TAI−UTC · +37s · LAST LEAP 2016-12-31◆GPS CONSTELLATION · 31 ACTIVE SVs · 6 PLANES
FD · CHRONOS|UTC REFERENCE|STN · LHR · LONDON
BUILD 2026