While this information can be tucked behind a phone menu option, it's best to state it upfront in your after hours recording. This way, callers can decide whether to call back at a better time, or leave a voicemail message. Example: You've reached Big Apple Cleaners. We are currently closed.
Responding to voicemails is time-consuming. Fortunately, with the right greeting, you might be able to save yourself some hassle. If you don’t have an auto attendant, you can give callers the information they are looking for with your voicemail greeting. Of course, this means that your greeting may be a little lengthy, but that can work in your favor as callers will only stay on the line to leave a message if they still need assistance.

Or say that your brand is on a holiday, you can’t miss out on leads because you know their value on your business.
The second example conveys a value for the caller's time that the first example does not. This avoidance of extraneous detail keeps the greeting focused and free of empty wording.