шабона

шабона: in the evening

Онҳо аз дарё шабона гузаштанд.
They crossed the river at night.
Зардуштиён ба суйи равшанӣ ибодат ва парастиш мекарданд, рӯзона ба офтобу шабона ба моҳ.
Zoroastrians praised and worshiped towards the light, in the day to the sun and at night to the moon.

Bonus:
The word шабона can also be used an adjective as in институти шабона (night school).

Answer to yesterday’s riddle:
If you read “ако” and “амак” backwards,
You will, of course, see two world rivers.

The rivers Oka and Kama are two major rivers in Russia.

аввал

аввал: first

Аввал авқот паз, баъд телевизор тамошо кун.
First cook the food, then watch television.
Ин бори аввал нест, ки ман туро дар инҷо мебинам.
This is not the first time that I have seen you here.

Bonus:
2 забурмасал (proverbs, sayings) –
Аввал андеша баъд гуфтор. First a thought, then a speech. Equivalent to “Think before you speak”.
Аввал бубин ҷои худ, баъд бимон пои худ. First see your place, then put your foot. Similar to “Look before you leap”. It is often used in relation to financial decisions, as in “don’t take on more than you can handle”.

дирӯз

дирӯз: yesterday

Дирӯз рӯзи сешанбе буд.
Yesterday was Tuesday.
Ман дирӯз ба назди ту омада натавонистам.
I was not able to come to you yesterday.

Bonus:
synonyms: рӯзи гузашта, дина
дирӯзакак: a few days ago

Learn дирӯз, the days of the week, and other words to do with day and night here: Memrise: Tajik Day and Night

порсол

порсол: last year

Ин китобро ман порсол харида будам.
I bought this book last year.
Порсол дар Тоҷикистон беш аз 1200 тонна пилла истеҳсол шуда буд.
Last year in Tajikistan more than 1200 tons of silk cocoons were produced.


Bonus: 
Try to use the word “порсол” five times today in your conversations.
Find out how to say “two years ago” or “the year before last”.