An ultraviolet light sanitizing system configured to sanitize a structure, the UV light sanitizing system comprising: a UV light assembly that is configured to emit UV light onto the structure, wherein the UV light assembly comprises a plurality of UV light elements; and a UV light emission control unit coupled to the UV light assembly, wherein the UV light emission control unit is configured to control the UV light assembly to separately emit UV light onto the structure within at least a first UV band and a second UV band that differs from the first UV band during a sanitizing cycle that sanitizes the structure, and wherein the UV light within the first and second UV bands is configured to kill at least one type of microbe, wherein the first UV band comprises one of a far UV light range, a UVC light range, a UVB light range, a UVA light range, or a vacuum UV light range within the UV spectrum, and wherein the second UV band comprises another of the far UV light range, the UVC light range, the UVB light range, the UVA light range, or the vacuum UV light range, and wherein the UV light emission control unit is configured to modulate the UV light emitted by the plurality of UV light elements to selectively emit the UV light within the first and second UV bands, wherein the UV light emission control unit is configured to control the UV light assembly to emit the UV light within the first UV band at a first time period and to emit the UV light within the second UV band at a second time period, wherein the second period of time sequentially follows the first period of time, wherein the UV light emission control unit is configured to vary the UV light emitted from the UV light assembly according to a UV light emission waveform (300, 500, 502, 504) during the sanitizing cycle, and wherein the UV light emission control unit is configured to gradually transition the emitted frequencies of the emitted UV light such that the UV light emission waveform (300, 500, 502, 504) is shaped like a sine wave. a UV light assembly that is configured to emit UV light onto the structure, wherein the UV light assembly comprises a plurality of UV light elements; and a UV light emission control unit coupled to the UV light assembly, wherein the UV light emission control unit is configured to control the UV light assembly to separately emit UV light onto the structure within at least a first UV band and a second UV band that differs from the first UV band during a sanitizing cycle that sanitizes the structure, and wherein the UV light within the first and second UV bands is configured to kill at least one type of microbe, wherein the first UV band comprises one of a far UV light range, a UVC light range, a UVB light range, a UVA light range, or a vacuum UV light range within the UV spectrum, and wherein the second UV band comprises another of the far UV light range, the UVC light range, the UVB light range, the UVA light range, or the vacuum UV light range, and wherein the UV light emission control unit is configured to modulate the UV light emitted by the plurality of UV light elements to selectively emit the UV light within the first and second UV bands, wherein the UV light emission control unit is configured to control the UV light assembly to emit the UV light within the first UV band at a first time period and to emit the UV light within the second UV band at a second time period, wherein the second period of time sequentially follows the first period of time, wherein the UV light emission control unit is configured to vary the UV light emitted from the UV light assembly according to a UV light emission waveform (300, 500, 502, 504) during the sanitizing cycle, and wherein the UV light emission control unit is configured to gradually transition the emitted frequencies of the emitted UV light such that the UV light emission waveform (300, 500, 502, 504) is shaped like a sine wave.