Formal:
* Sa kasalukuyan (literally: in the present)
* Ngayong panahon (literally: this time)
* Sa panahong ito (literally: in this time)
Informal:
* Ngayon (now) - This is the most common and straightforward way to say "nowadays" in casual conversation.
* Nitong mga nakaraang araw (literally: in these past days) - This emphasizes a recent period.
* Sa mga nagdaang panahon (literally: in the past times) - This refers to a longer, but still recent, period.
Examples:
* Sa kasalukuyan, marami nang tao ang gumagamit ng internet. (Nowadays, many people use the internet.)
* Ngayon, mas madaling mag-aral kaysa noon. (Nowadays, it's easier to learn than before.)
* Nitong mga nakaraang araw, ang panahon ay mainit. (The weather has been hot lately.)
The best option depends on the specific situation and the tone you want to convey.