Timeline

Information regarding the actual date is vague but a relatively accurate timeline of events is possible.

Quotes

 * Kokoro: "Yesterday's ceremony was something else, huh? I was so excited, I had trouble getting to sleep last night."
 * -- in Episode 05


 * 090 (to Zero Two): "The joint operation two years ago! Your reckless fighting style got us isolated on the battlefield, and I lost my partner!"
 * -- in Episode 05