Earth Reference Time (ERT)

 

0

 

+

generation

 

:

rotation

 

:

cycle

 

:

turn

 

:

moment

 

:

second

 

.

 

 

e0

Convert
Resolution
Zero Point
UTC:  
TAI:  
Unix: 00 seconds + leap seconds since 1970-01-01T00:00:00
GPS:  00 seconds since 1980-01-06T00:00:00
UST:   seconds since ~10724 BC (GPS + 400315964800 seconds)