some time ago; the other day; recently
Formal or written expression for a recent past event. Often used in business, official announcements, or news reports. Not typically used in casual conversation.
Regarding the matter mentioned earlier, please confirm the details.
I will report on the matters decided at the recent meeting.
Recently, our company announced a new product.
I will explain the new system that was recently announced.
この間 is casual and conversational for 'recently', whereas 先般 belongs to formal, written registers and is rarely spoken aloud.
過日 is an equally formal, literary word for 'the other day' often seen in letters, essentially interchangeable with 先般 in tone.
先般 (せんぱん, 'recently') and 全般 (ぜんぱん, 'overall, general') sound alike but differ by one consonant and mean completely different things.
for some time; for a while now
Compound of 先 (previous) and 般 (matter/kind). The exact historical derivation is uncertain, but it has been used in formal written Japanese to refer to a recent event.