Relative & Offset Call Times

Crew call times are stored as offsets from the general crew call, so moving the call moves everyone with it.

4 min readUpdated September 2026

The Cascade Problem

The general call moves 30 minutes and forty crew calls need retyping. G-Casper Pro avoids that by storing each crew call as a distance from the general crew call. Move the general call and the rest follow.

How Offsets Work

The general crew call is Call. Every other crew call is minutes before or after it. The time list shows both, so you always see the clock time too:

  • Call-1:30 | 5:30 AM: an hour and a half before a 7:00 AM call
  • Call | 7:00 AM: the general crew call itself
  • Call+30 | 7:30 AM: half an hour after
  • On Call (O/C) and No Call (N/C) sit next to Call in the list
Tip: Typing a clock time works too. Type 6:30A, 630 or 6:30 AM and G-Casper Pro saves it as an offset from the current general call. So a typed time also moves when the general call moves.

Automatic Cascade

Shift the general call from 7:00 AM to 7:30 AM and every offset-based crew call moves 30 minutes. Call-90 was 5:30 AM and is now 6:00 AM. Nobody's row needs touching. That cuts both ways. If one person's time should stay put when the general call moves, retype it after the change.

Interactive Demo
Offset Cascade Demo
Change the general crew call and watch every offset-based time update automatically.
General Crew Call
All offset times update automatically
Kim Torres(Key MUA)
Call-30
7:30 AM
Alex Nguyen(Key Hair)
Call-30
7:30 AM
Jordan Lee(Gaffer)
Call-15
7:45 AM
Sam Rivera(Key Grip)
Call-15
7:45 AM
Chris Park(DP)
Call
8:00 AM
Taylor Kim(1st AC)
Call
8:00 AM
Morgan Scott(Sound Mixer)
Call+15
8:15 AM
Pat Johnson(Script Sup)
Call+30
8:30 AM

What You Can Type

The time cell opens a list with a box at the top (Type time (e.g. 8am)). Any of these work:

  • Call, call+15, call-10
  • Clock times: 6:30, 6.30, 6:30A, 6:30 PM, 8am, 0630
  • N/C, O/C, TBD
  • A bare 1 to 5 with no AM or PM is read as afternoon
Important: Write an offset after the call as call+30. A bare +30 is saved as text and will not move with the general call. A bare -30 does work.

Where Times Stay Fixed

Times written by the Department Speed Schedule dialog are saved as clock times, and so are some older call sheets. Those do not move with the general call. If a department did not shift when you moved the call, set it again from the department header dropdown on the CS Back.

FAQFrequently Asked Questions

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