Спасибо!
А можно сказать -
events, which are not limited of time frames?
Или это русизм, не идиоматично?

Думаю, что можно, только.... limited BY time frames

Спасибо еще раз, ясно)

Oleg, you don't use a comma there because "not time-limited" isn't incidental information - it actually describes the events.

"not confined to any time frame" sounds strange. Only six hits on google search: https://www.google.com/search?sxsrf=ACYBGNRtVenK3JJoe_3WmKdQIiwiv7O4Lw%3A1570194624390&ei=wESXXa2gF4-QsAXtw5agDw&q=%22not+confined+to+any+time+frame%22&oq=%22not+confined+to+any+time+frame%22&gs_l=psy-ab.3...31278.35970..36285...0.0..0.107.982.6j4......0....1..gws-wiz.OrzGeOWf3yY&ved=0ahUKEwitgMLm1oLlAhUPCKwKHe2hBfQQ4dUDCAo&uact=5

"events which are not time limited" is also highly irregular: https://www.google.com/search?sxsrf=ACYBGNSoaOUCf1VfJdV9lb9IlKv1fTTREw%3A1570194724329&ei=JEWXXY3aE4aOsQWaoYugAg&q=%22event+that+are+not+time+limited%22&oq=%22event+that+are+not+time+limited%22&gs_l=psy-ab.3...21755.22018..22232...0.3..0.137.476.1j3......0....1..gws-wiz.......0i71.I-mre3_yZvw&ved=0ahUKEwiN_JWW14LlAhUGR6wKHZrQAiQQ4dUDCAo&uact=5

We usually say "not limited to any particular time frame" https://www.google.com/search?sxsrf=ACYBGNSCKJhVOSwJ6BGWkNVvlO4O2rfOug%3A1570194572348&ei=jESXXcvvFMTUsAXUgobwBQ&q=%22not+limited+to+any+particular+time+frame%22&oq=%22not+limited+to+any+particular+time+frame%22&gs_l=psy-ab.3...46185.51014..51182...0.0..1.318.4715.11j27j1j1......0....1..gws-wiz.......35i39j0i273j0i7i30j0i67j0i20i263j0j0i30j0i5i30j33i299j33i10i299j33i10.h6mX8hSmddM&ved=0ahUKEwjL5dnN1oLlAhVEKqwKHVSBAV4Q4dUDCAo&uact=5

Thank you!

Anytime 😉