Additionally, the letter Beis [meaning "in"] is a preposition that can be used in conjunction with everything. This applies primarily to the "wonders" of the true and final Redemption, "As in the days of your going forth from Egypt I will show them wonders."
Since with absolute certainty all of the appointed times have passed, and we've already done teshuvah, now it all depends on our righteous Moshiach himself!
* * *
When we make a just accounting at the conclusion of the first week of Divine service in the world for the year Hey, Tuf, Shin, Nun, Beis, "a year of wonders in all," we come to the conclusion that it all depends on our righteous Moshiach himself. This awareness expresses iteself in more conscientious and enhanced way of reciting the prayer for the santification of the moon, "for they are destined to be renewed like her," in the true and complete Redemption through Dovid, the King Moshiach, Dovid, the king of Israel, lives forever."
More specifically: One should be careful and make an effort to recite the Sanctification of the Moon while dressed in dignified and attractive garments, in the street and "in a multitude of people [wherein] is the glory of the King." This applies also in those places where people have not been conscientious about this until now (because they lived among non-Jews ).
One should also be careful in regard to the time of the Sanctification of the Moon, since we find different customs about this: three days after the Molad [New Moon], seven days after the Molad, and the evening after Shabbos [Saturday night], "If the night after Shabbos is before the tenth of the month... but if it is afterwards one should not wait until after Shabbos, because there might be two, three or four cloudy nights and the moon won't be seen and the time will pass."
This applies specifically in those countries where the sky is covered with clouds, particularly in winter time. Each place should follow its custom and according to its situation. In places where there is a question or doubt, one should act according to the instructions of the rabbinic authority of that place.
Further, and this is the main point, the Sanctification of the Moon should be performed with the specific intention to speed and hasten and actualize the immediate arrival of Dovid King Moshiach, through an increased appeal and entreaty for the Redemption, as expressed in the conclusion of the Sanctification of the Moon: "And they will seek the L-rd their G-d and Dovid their King, Amen." (From the talk of Shabbos Parshas Noach, 4 Mar-Cheshvan 5752)
References
6. Michah 7:15.
7. The text of the blessing of the Sanctification of the Moon (Sanhedrin 42a).
8. Rosh Hashanah 25a.
9. The details of the laws of the Sanctification of the Moon - see Tur Shulchan Aruch, Orach Chayim, section 427, and in the commentaries there.
10. See Magen Avraham there, 14.
11. See Turei Zahav there, section 3.
12. Shulchan Aruch there, par. 4. And in the Prayer Book of the Alter Rebbe, "according to the Kabbalah the Sanctification of the Moon is not recited until seven days after the Molad" (and see at length the glosses of the Rebbe Rashab (in the Prayer Book Torah Or 242:1-2. And in the Siddur im Dach (Siddur with Chassidic discourses) 321:1-2). Shaar HaKolel chapter 33, section 2. And see there for further cross references.)
13. Shulchan Aruch there, par. 2.
14. Remo there.
15. See the glosses of the Rebbe Rashab and Shaar HaKolel there, that for this reason the Tzemach Tzedek was not particular (in winter time) to wait until after seven days. But obviously it's different for those dwelling in countries where (many of the) winter months are not cloudy.
