We should arrange these farbrengens everywhere – both near and far; both in the Diaspora and (certainly) in the Holy Land.
In 770
A farbrengen should definitely be held right here – in the daled amos (close proximity) of the Rebbe, my father-in-law,
In truth, any day is a good time for a farbrengen and requires no specific reason to hold one. “A good heart is festive always” (Mishlei 15:15); all the more so in light of the statements of the Rebbe, my father-in-law, regarding the immense virtue of a chassidishe farbrengen. (Parshas Vayeitzei 5749; Hisvaaduyos, p. 404)
Sunday night
As to whether or not to hold farbrengens on Sunday night (which is already the “second day of the week” in Jewish Law) – when (for numerous reasons [see Shulchan Aruch, Yoreh De’ah (179:2), “one does not begin a new undertaking on the second or fourth day of the week”]) it would involve certain limitations... Nevertheless, these limitations are of no consequence when it comes to matters of Torah and holiness… (Ibid., p. 410)
Spiritually far
Whether these locations are geographically far, or, more importantly, spiritually distant – for it is specifically in such places that we should invest far greater effort, as befits the resultant “superiority of light that emerges from darkness.” (Ibid., p. 385)