You don't say if you planted them indoors or out, in the ground or in some type of container? I doubt you'd be successful germinating any herb seeds outside this time of year, your temperatures look too cold. In general a container is usually best for herbs.
Germination time will generally be a result of how optimal germination conditions were (Soil, Temp, Sun, Water)
A good seed package should have lots of good planting and care information. Mine usually germinate in 5 -7 days.
Lots of nice information above, the herb basics would be....
Seeds in soil about 1/8" or so (just a few per, not just 1)
Soil and general temperature in modest range during the sunny part of the day, no freezing overnight
Lots of sun
Soil kept moist
If the seeds are in a small container then transplant when they get bigger at about 4 weeks or so.
Below is a little Thai Basil plant ready for transplanting.